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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

Mars Exploration Word Search

Avi Patel June 11, 2020

Perseverance and Ingenuity ready to explore Mars

Ken Kremer June 6, 2020

This Week in History: June 7-13

Alan Hale June 6, 2020

Comet of the Week: PANSTARRS C/2017 K2

Alan Hale June 6, 2020

Special Topic: “Small Bodies” in Culture and Literature

Alan Hale June 6, 2020

NASA’s Mars 2020 Mission Crossword

Shae Rosemore June 2, 2020

Dragon Endeavour delivers astronauts to ISS after historic flight

Ken Kremer June 1, 2020

SpaceX launches astronauts into orbit on historic flight

Ken Kremer May 30, 2020

Curious Kids

QuizMe: Space Quizzes

Interviews

Word Games & More

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Astronomy

Earth

International Space Station

Lunar Exploration

Mars

Solar System

Universe

Ice and Stone

Comet of the Week: 12P/Pons-Brooks

Special Topic: Upcoming Missions to “Small Bodies”

This Week in History: March 29-April 4

Comet of the Week: Bennett 1969i