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Inspiring Earth's Next Generation of Explorers Since 2012

Astronomy Milky Way

When you wish upon a star, is it already dead?

July 28, 2025

Curious Kids Universe

How many stars are there in the Universe?

July 25, 2025

Curious Kids Moon

Why do some planets have moons and others don’t?

July 24, 2025

Curious Kids Earth

How has the inside of the Earth stayed hot for billions of years?

July 23, 2025

Curious Kids Mars

Is Mars really as red as people say it is?

July 22, 2025

Newest Articles

Landing on the Moon is still an incredibly difficult feat in 2025

Zhenbo Wang June 2, 2025

Astronaut Sally Ride’s legacy – encouraging young women to embrace science and engineering

Bonnie Dunbar May 26, 2025

Voyager Missions Word Search

Chase Clark May 22, 2025

Radioisotope generators are the ‘nuclear batteries’ that power faraway spacecraft

Benjamin Roulston May 20, 2025

Voyager 1 thrusters, inoperable for 21 years, fixed from 15 billion miles away

NASA JPL May 19, 2025

Scientists discover ancient buried beach on Mars

Aaron J. Cavosie May 15, 2025

Mars may have once had a carbon cycle more favorable for life

Elisabeth Hausrath May 13, 2025

Pearl Young overcame barriers and ‘raised hell’ at NASA

Caitlin Milera May 12, 2025

Shelf Space

QuizMe: Space Quizzes

Interviews

Jim Adams: Keeping NASA’s technology on the right track

Kim Lichtenberg spends her days sampling Martian soil and rocks

Jackee Mohl looks to the future as a structural engineer for Boeing’s V-22 Osprey

Wonders of the Cosmos: Neil deGrasse Tyson answers readers’ questions

Word Games & More

Word Find • September 2016

Kerbal Space Program: Bringing rocket science to games

National Flight Academy makes learning an adventure

MoonBots Challenge inspiring kids

Students learn about physics from energetic demonstrations

Word Search • Skylab Issue

Let’s explore with Orion activity pages

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Astronomy

Four astronomical discoveries from ancient Greece

From the pyramids to Stonehenge – were prehistoric people astronomers?

Go outside and view Comet NEOWISE before it disappears for 6800 years

QuizMe: Hubble Space Telescope

Earth

UAE’s Mars mission aims to inspire citizens to pursue STEM fields

SpaceX Crew Dragon pinpoints first-ever splashdown in Gulf of Mexico

Go outside and view Comet NEOWISE before it disappears for 6800 years

International Space Station

Preparing for surgeries in space and on Mars

Five things that happen to your body in space

International Space Station Word Search

Can plant seeds survive the radiation of space?

Lunar Exploration

Shuttlewagon delivers Artemis rocket boosters to KSC

Trio of American companies to develop Artemis lunar landers

QuizMe: Project Apollo

Mars

Perseverance beams back incredible video of landing on Mars

What medicines should we take to Mars?

Perseverance pinpoints landing inside Jezero Crater

American scientist collaborates on UAE’s Mars mission

Solar System

Hubble captures rare self-destructing asteroid

NASA mission in Senegal promotes scientific discovery

ITS: SpaceX’s bold vision for crewed exploration of the solar system

Universe

100 years ago Edwin Hubble settled astronomy’s ‘Great Debate’

Three years of discovery by the James Webb Space Telescope

100 years ago we learned the Milky Way is not the only galaxy

James Webb Space Telescope being tested on Earth

James Webb Space Telescope: How to send a giant telescope to space – and why

Ice and Stone

Special Topic: “Families” and Groups

This Week in History: December 6-12

Comet of the Week: Lovejoy C/2013 R1

Special Topic: “Active Asteroids”