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Inspiring Earth's Next Generation of Explorers Since 2012

Curious Kids Moon

How can there be ice on the Moon?

February 3, 2026

Curious Kids Moon

Is the Moon drifting away from the Earth?

January 27, 2026

Curious Kids Moon

Why does the Moon look close some nights and far away on others?

January 20, 2026

Curious Kids Universe

How are dark matter and antimatter different?

January 13, 2026

Curious Kids Universe

Why isn’t there any sound in space?

December 10, 2025

Newest Articles

antares rocket soars into sky during launch from wallops island, virginia

S.S. Ellison Onizuka on way to ISS after successful launch

Lloyd Campbell August 11, 2021

Northrop Grumman to launch its 16th resupply mission to the ISS

Lloyd Campbell August 7, 2021

color image of pluto taken by nasa's new horizons spacecraft

QuizMe: Pluto

Helen Ko July 11, 2021

Ingenuity ready for historic first flight on Mars

Ken Kremer April 10, 2021

Without gravity, what happens to our cells in space?

Andy Tay April 9, 2021

Final SLS Green Run test goes the distance

Ken Kremer March 19, 2021

Soleil Moon Frye wants to take Punky Power into space

Nicole Solomon March 12, 2021

Keeping Earth’s germs from contaminating Mars

Dr. Thomas Cheney March 11, 2021

Curious Kids

QuizMe: Space Quizzes

Interviews

Word Games & More

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Astronomy

Top 10 must-see list for new astronomers

Starting in astronomy: Recognising the night sky

Cygnus the swan

Starting in astronomy: Buying your first telescope

Earth

NASA testing ‘flying saucer’ over Hawaii today

NASA launches Earth science challenges for general public

NASA testing supersonic parachute, inflatable decelerator

International Space Station

Importance of exercise while in orbit

Landing of Expedition 36

Launch of Expedition 37 to ISS

From zero to orbital velocity: Dragon delivers to ISS

Lunar Exploration

Apollo 17: Final voyage to the Moon

Why the Moon is bigger closer to the horizon + Moon facts

Mars

Skimming an alien atmosphere

Record number of missions at the Red Planet

Methane in the membrane (Producing rocket fuel on Mars)

Stuck on Mars: Comparing Mars analog simulations to ‘The Martian’

Solar System

Universe

Ice and Stone

Comet of the Week: Delavan 1913f

Special Topic: Comet Tails

This Week in History: September 13-19

Comet of the Week: 21P/Giacobini-Zinner 1984e