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Inspiring Earth's Next Generation of Explorers Since 2012

Curious Kids Mars

Can humans colonize Mars in the foreseeable future?

September 17, 2025

Curious Kids Earth

How was the Earth built?

September 10, 2025

Curious Kids Universe

Does outer space end – or go on forever?

September 3, 2025

Curious Kids Earth

Why does everything look flat even though the Earth is round?

August 27, 2025

Human Spaceflight Mars

Nuclear rockets are twice as fast – but designing them isn’t easy

August 15, 2025

Newest Articles

smoke trail of artemis rocket launch into florida's night sky

Artemis era is underway as test flight launches to the Moon

Ken Kremer November 21, 2022

illustration of SLS rocket soaring above clouds

Artemis 1: Here’s what to expect and why it’s important

Jack Burns November 14, 2022

Hurricane delays launch of Artemis to Nov. 16

Ken Kremer November 13, 2022

artemis sculpture on display at Capitoline Museum in Rome, Italy

Who is Artemis? Ancient lunar goddess turned feminist icon

Marie-Claire Beaulieu November 8, 2022

NASA targeting Nov. 14 for next Artemis 1 launch attempt

Ken Kremer October 20, 2022

asteroid Didymos and orbiting moonlet Dimorphos in space

DART mission a success as NASA spacecraft crashes into asteroid

David Barnhart September 30, 2022

Artemis second launch attempt set for Saturday afternoon

Ken Kremer September 2, 2022

Stay busy with NASA’s Artemis coloring and activity pages

NASA August 24, 2022

Curious Kids

QuizMe: Space Quizzes

Interviews

Word Games & More

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Astronomy

How to photograph the planets

M16: The Eagle Nebula

All about the Earth’s moon

Take a closer look at the Moon

Earth

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

DSCOVR sees the Earth like never before

Troubleshooting with a ‘dead’ astronaut

International Space Station

Front and center: Launch inferno

Tim Peake ready to become United Kingdom’s official ISS resident

Crews named for future ISS missions

The One-Year Mission

Lunar Exploration

All about the Earth’s moon

Take a closer look at the Moon

Moon phases: Past, present and future

Mars

QuizMe: Mars Exploration

QuizMe: Mars, The Red Planet

Meteorites contain clues about geology of Mars

Another delay slips launch of Mars 2020 to July 30

Solar System

How to photograph the planets

Stephen Colbert presents honor from NASA to Voyager scientist

Comets are unpredictable beasts

Universe

Ice and Stone

Comet of the Week: Ikeya-Seki 1965f

Special Topic: Kreutz Sungrazers

This Week in History: October 18-24

Comet of the Week: Siding Spring C/2013 A1