Long alien stories for children aged 11 to 12

Dive into a fascinating universe with our long stories specially designed for children aged 11 to 12. Discover captivating tales of aliens that will spark the imagination of your young readers. Each story is available for free online or as a PDF download, allowing your children to explore these thrilling adventures where the unknown awaits them. Get ready to embark on unforgettable interstellar journeys!

Choose a character:

Animals and other characters

Boys

Girls

Groups of children

Aliens: all the stories (44)

Age:

Main character: a large textured brown bear with a round face and gentle eyes, smiling in wonder and standing foreground beside big stone letters reading WELCOME FRIENDS with one paw raised in greeting; Secondary 1: Mrrli, a small translucent floating alien with a jellylike violet-blue glow, three long arms and one short, curious joyful expression, capturing sounds with a glowing bracelet, next to the bear; Secondary 2: three elegant Nipnops, tall thin pear-shaped heads with shimmering green-and-yellow striped skin, polite amazed gestures, one offering a glowing leaf drawing as they disembark from a drop-shaped craft in the background; Place: grassy hill at dusk with waving grasses and wildflowers, an orange sky and a sea of stars beginning to appear, a smooth glass dome reflecting evening light in the distance; Main situation: a warm peaceful first meeting as the bear welcomes extraterrestrial visitors under a pastel sky with friendly ships floating above, creating a tender, magical luminous atmosphere.

Welcome, Friends: The Bear Who Wrote to the Stars

Reading 27 min. 11-12 years old

When Birch the bear writes giant stone letters to welcome visitors from the sky, he meets a curious sound-collecting alien and polite strangers who learn about sharing stories and friendship.

Read the story Download (PDF)

Five characters: Theo (11, short brown hair, round face, thin glasses) gently holds a small pearly instrument box at center; Mira (11, fair skin, long black braid, worn red jacket) to his left blows a small shiny metal flute; Benji (11, tousled blond hair, green tee) to his right taps a rhythm on his knee; Sola (nonbinary alien, pale bark-like skin with soft green glow, slender) stands just behind the box holding a beaded "star clarinet" and watches curiously; Pip (nonbinary alien, rounder, driftwood-colored skin with blue halo) is slightly back, touching a faintly glowing stone and wearing a tinkling wrist device. Setting: a pine-needle carpeted forest clearing at night with mossy stone circle, tall dark trunks, starry deep-blue sky, silver mist, cool moonlight and warm solar lantern light on a wooden crate. Scene: the three children and two aliens form a small musical group exchanging notes with instruments on a wooden platform, colorful watercolor-like sound waves (blue-green and gold) intertwine in the air, faces full of wonder, gentle respectful gestures, calm magical atmosphere emphasizing a friendly encounter and shared music under the pines.

The Mystery Sound of Pine Ridge

Reading 35 min. (1) 11-12 years old

When Theo, Mira, and their friends find a strange pearly instrument at school, they meet two gentle aliens and must use music and kindness to connect worlds during the Pine Ridge Night Walk.

Read the story Download (PDF)

Mira, 12, round-faced with freckles and light brown hair in a ponytail, kneels in a simple khaki jacket and jeans, curiously offering a small dried herbarium leaf as a pale blue matte cube-shaped companion robot with a glowing lens "eye" named Sift hovers nearby; above the short yellow-green grass and a ring of flat stones a dark seedpod floats open to reveal a sparkling pressed purple leaf, an oval shimmering air-door glinting behind a stone and motes of luminous dust in the low sun forming a quiet, secret exchange.

The Wind-Thank Leaf: Mira and the Alien Herbarium

Reading 30 min. 11-12 years old

Mira, a girl who lovingly collects plants, discovers a shimmering portal on a windswept plateau that leads to an alien Field Archive where she befriends a gentle device and learns about sharing, naming, and gratitude between worlds.

Read the story Download (PDF)

Create a story where your child is the hero!

suggestion for youfree and fast

Create easily and for free your alien story where your child becomes the main character! Simply enter their first name, a place, and secondary characters, and discover an incredible 100% personalized illustrated story with AI!

Create a story

Three characters: Milo, 11, with tousled brown hair, a paint-stained green T-shirt and grass-streaked knees, crouched by a soil tray at left, reaching toward a small glowing plant with a look of wonder; Ben, 11, with short light-brown hair and an oversized gray sweatshirt, standing center-right with a comic, amazed expression while holding an old lit lantern casting warm light; Lumo, a small alien with a smooth rounded silhouette, wet-stone-colored skin, large marbled shining eyes and a scale-like sparkling suit, at right near the greenhouse door with one hand raised holding a floating glowing seed. The scene: a school greenhouse at night with fogged glass walls, metal shelves of plant trays, water droplets reflecting light, a misty warm, humid atmosphere, dark soil paths lit by blue-green glows and the lantern’s yellow bulb. The moment: the boys and the alien share a gentle, curious discovery around a new plant emitting soft blue light, the lantern illuminating surprised faces and light shafts in the mist forming friendly symbols.

The Not-Hungry Sign in the Fog

Reading 27 min. (1) 11-12 years old

Two boys’ glowing field pattern draws a curious alien to their school, and together they learn to communicate and create a shared symbol of welcome in the greenhouse.

Read the story Download (PDF)

Mina, 12, short chestnut hair, small, face bright with astonishment and sweetness, in a khaki jacket and backpack, holds a small glowing crystal projecting a rainbow; Leo, about 12, half-amused, half-tired, in a striped T-shirt and jeans, stands to Mina's right looking at the sky with a silver badge in hand; Zim, a small round mint-green alien with big black eyes and four thin-armed hands, waves beside a sleek small silver ship that gently lifts above tall grass in "Whale Rock Field" under a clear night with pale whale-like boulders, a low round moon and stars; the scene is soft and magical with saturated colors, sharp contrasts, a blue halo beneath the ship and the crystal's light sparkling.

The Sparkling Cave and the Polite Light

Reading 31 min. 11-12 years old

A curious girl and her friend use a homemade signal device to connect with a stranded, polite alien and venture into a glittering cave to help free its ship, facing talking crystals, tricky tunnels, and unexpected challenges along the way.

Read the story Download (PDF)

Mila, a 12-year-old girl with an expressive gentle face, wide bright eyes, a shy but brave smile, chestnut bob, worn blue jacket and jeans, offers a galactic salute (three fingers closed, thumb and little finger extended) while holding a small round lamp-robot; Tirri, a small round alien guest in a pleated silver suit with a transparent bubble helmet and glowing amber eyes, mirrors Mila’s salute and holds a small compressed-grain packet on the table; Kiko, a matte metallic luminous cube with dented edges and light lines, rests in a cradle at the center, blinking softly and emitting tiny soothing sparks; Nib, the ship’s assistant, is a floating panel with iridescent oil-like patterns and shifting colors casting warm light; the setting is the Ship-Seed interior, a round shell room with animated starry walls, smooth rubbery textured floor, low pebble-shaped seats and a dark low table with hi-tech items and a snack box; atmosphere: a cozy, intimate, friendly small party of humans and aliens sharing snacks, laughing quietly and exchanging the galactic salute.

The Friendly Greeting and the Humming Box

Reading 36 min. 11-12 years old

Mila, a gentle girl, meets a shy starship and helps a lonely, humming box whose broken distress signal threatens Earth; together they learn a galactic greeting and work to soothe fear with kindness.

Read the story Download (PDF)

A 12-year-old girl, Mina, with large bright eyes and a calm, amazed expression, chestnut ponytail, wearing a khaki jacket and jeans, reaches out palm open toward a floating translucent alien; a 12-year-old boy, Jax, with tousled dark-blond hair and a confident smile, arms crossed, stands slightly behind to the left watching; a 12-year-old girl, Lottie, with round glasses and tied brown hair, holds a small glowing metal pen near a control panel to Mina’s right; a 12-year-old boy, Ravi, in a gray hoodie with hands in his pockets, leans forward slightly behind Mina, half-worried, half-fascinated. The alien, called No Sound, is a floating iridescent glasslike ribbon ending in a cluster of color-changing light points, facing Mina at short range with no visible mouth or eyes but a gentle presence. The setting is the Silent Dock, a large curved metal chamber with a panoramic porthole showing Earth’s curvature, dark docking arms, warm diffuse lighting, scattered console lights, and scratched metal-plated floor. The scene: a silent warm first contact — Mina and the creature greet each other palm to ribbon in a peaceful, respectful atmosphere with warm light and iridescent reflections, framed wide to include the space window in the background.

The Galactic Pen-Pal Society and the Silent Friend

Reading 22 min. (1) 11-12 years old

Twelve-year-old Mina joins a secret club that sends handwritten messages into space and follows a mysterious reply to an orbital ring, where the children encounter a quiet, unfamiliar being that seeks connection.

Read the story Download (PDF)

Three boys, all 11: Kavi, tan skin, short curly black hair, green T‑shirt and jeans, center with one hand on his bike handlebar looking at the light; Milo, fair skin, crew‑cut brown hair, light blue sweatshirt, left of Kavi holding his phone looking surprised; Jalen, dark skin, short braided hair, yellow T‑shirt, right of Kavi squinting and pointing at the light; they stand at the curb of a neighborhood street in the late afternoon in front of a red brick library with a sidewalk, wooden park bench, trembling green tree leaves, houses and modern lampposts in the background and a peach‑tinted sky; a translucent ribbon of light descends and floats above the street like a glowing serpent, layered peach, mint and light blue with a slightly iridescent texture, and a small round symbol with three dots hovers above it like a notification.

The Day the Sky Sent a Friendly Puzzle

Interactive story (1) 11-12 years old

Three 11-year-old boys discover a gentle alien mystery in their town and choose how to respond—by following a rainbow signal, helping a lost visitor, or decoding a humming message—leading to many bright, reassuring sci-fi endings.

In this interactive story, it's you who chooses the next step at each stage: your decisions influence the course... and the end of the adventure!

Start the interactive story

A 12-year-old girl, Mira, enthusiastic and focused with brown bangs and a worn red jacket, holds a sketchbook and points at a holographic screen, her face lit by blue light and eyes bright with wonder; beside her stands Nemi, a slim pearly-gray humanoid alien with sparkling spots and large glossy black eyes, wearing a flowing oil-slick garment and resting a hand on a luminous console; Mira's mother, a ~35-year-old naval technician in gray-blue coveralls with hair tied back, watches from the hangar frame a few steps behind, half-worried, half-proud; a security officer (~40) in a dark uniform with a handheld scanner stands at the dock entrance, ready but hesitant under port lamp beams. The scene: Dock C of a spaceport at night with polished metal floors, stacked crates, orange industrial lights and cold neon, ozone sparks in the air, and a moss-green ship at the center with its hatch open emitting soft blue light and a glittering oval portal revealing a calm alien port; Mira and Nemi have aligned star charts and opened a mirror portal between ports, exchanging a friendly greeting while the mother and officer look on, creating a tender, curious, peaceful atmosphere.

The Door Between Two Quiet Ports

Reading 38 min. 11-12 years old

Twelve-year-old Mira discovers an alien named Nemi at her spaceport and, with a little Skymap Harmonizer, they patiently compare star maps to try to create a careful, peaceful connection between their worlds.

Read the story Download (PDF)

Four characters on a small urban balcony at night: Milo, an 11-year-old boy with short straight brown hair in a blue plaid shirt, seated on a small balcony chair at left, focused on sketching Quill in a drawing pad; Noor, an 11-year-old girl with black hair in a ponytail and a mischievous smile, wearing a light jacket and seated in a wheelchair at the right, leaning toward Milo and watching curiously; Quill, a child-sized alien with pale translucent green glassy skin, large shiny black eyes and a gentle smile, seated between them with hands on its knees and a faint glow; and Pip, a tiny ladybug-sized chrome translator robot with two thin antennae, floating above the table near the pad and blinking. The tiled balcony has a metal railing, crowded flower pots (red geraniums, purple lavender, green basil), a cup of lemonade on the table, a streetlamp and city lights in the background; warm yellow balcony light contrasts with the deep blue starry sky, creating a calm, intimate atmosphere.

The Secret of Balcony Twelve

Reading 26 min. 11-12 years old

Two careful friends, Milo and Noor, discover a gentle alien named Quill on their balcony and quietly help him fix a navigational mistake while keeping rules and drawing his portrait.

Read the story Download (PDF)

A shy smiling 12-year-old boy with short brown hair and hazel eyes, wearing a navy jacket and green backpack, crouches on a narrow cliffside trail holding a small dome lamp with moving lights and gazes at it in wonder; three child-sized gray-green smooth-skinned aliens with large black eyes and iridescent scale-like suits form a circle around him, each holding a small shiny tool or a pouch of glowing marbles and gently stabilizing the lights while a small round three-legged beacon robot with a blue glowing ring clicks and watches; the rocky cliff has textured gray stones, dark pines below, a deep green valley and a pink-blue twilight sky, with grasses and moss between rocks; the scene is calm, warm and slightly magical with soft lamp light illuminating faces and costumes; color palette: pastel sky, deep greens, stone grays, cyan and gold accents, clean lines, simple shapes and flat contrasts for a childlike rendering.

The Picnic on the Balcony Trail

Reading 26 min. 11-12 years old

Shy Milo discovers a talking beacon and three gentle aliens during a cliffside picnic; together they share food and attempt to locate a lost star-lamp.

Read the story Download (PDF)

Main girl, 12, Mira — awed and determined — brown ponytail, light red jacket, wide bright eyes; she holds a small round crystal lantern with swirling stardust and reaches toward a small glowing orb. Her friend Jada, ~12 — excited and mischievous — braided hair, green sweatshirt, stands to Mira’s right, smiling and pointing at the creature. Adult man Mr. Venn, ~45 — surprised and cautious — plaid shirt, notebook in hand, slightly behind to the left, leaning forward to observe without intervening. The alien Kett — small, slender, iridescent green-silver skin, slightly oversized head, soft black eyes; emerging from a seed-like pod with six petal panels unfolding, offering a floating light orb. Setting: ridge behind a small science museum at night, dark grass, tree silhouettes, deep starry sky, distant streetlights off, human lanterns forming colored halos. Main situation: first contact moment — the luminous seed opens like a mechanical flower, the alien extends the orb toward Mira while twelve human lanterns form a glowing circle around them; a soft, mysterious, warm atmosphere with contrasting lights (blue stardust, pale orb, warm lanterns).

The night walk lanterns and the door made of light

Reading 39 min. 11-12 years old

During a Night Walk, Mira and her friends encounter Kett, a gentle alien who needs help mending a broken doorway between worlds; together the children use their cosmic lanterns and kindness to try to reconnect Kett with its home.

Read the story Download (PDF)

Captivating Alien Stories for 11-12 Year Olds

Children aged 11 to 12 are at an age where imagination and curiosity about the unknown awaken. Alien stories are ideal for nurturing this curiosity, offering fascinating tales that blend space exploration and intergalactic adventures. These stories allow young readers to discover new worlds and broaden their horizons.

Why Choose Alien Stories?

Through alien stories, children develop their imagination and critical thinking. These tales also teach them values such as tolerance and acceptance of differences, while stimulating their interest in science and space exploration. This literary genre offers a perfect mix of entertainment and learning.

Online Stories and Free PDF Format

We understand the importance of accessibility to reading for everyone. That's why we offer a selection of alien stories to read online or download in PDF format, for free. This flexibility allows children to choose how they want to experience their adventure, whether online on a screen or in printed version.

The Benefits of Our Alien Stories

✅ Stimulation of imagination and creativity
✅ Encouragement of reading and improvement of language skills
✅ Exploration of themes such as friendship, diversity, and discovery
✅ Easy and free access to captivating stories

Long alien stories for children aged 11 to 12

Choose a character:

Aliens: all the stories (44)

Captivating Alien Stories for 11-12 Year Olds

Why Choose Alien Stories?

Online Stories and Free PDF Format

The Benefits of Our Alien Stories

Get new stories every Sunday evening!