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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

Another delay slips launch of Mars 2020 to July 30

Ken Kremer July 8, 2020

This Week in History: July 5-11

Alan Hale July 3, 2020

Comet of the Week: 9P/Tempel 1

Alan Hale July 3, 2020

Special Topic: Past Spacecraft Missions

Alan Hale July 3, 2020

NASA renames HQ in honor of ‘Hidden Figure’ Mary Jackson

Ken Kremer June 28, 2020

The future of space may be female

Alice Gorman June 27, 2020

This Week in History: June 28-July 4

Alan Hale June 27, 2020

Comet of the Week: Tebbutt 1861 II

Alan Hale June 27, 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

Special Topic: Meteorites

This Week in History: April 19-25

Comet of the Week: Arend-Roland 1956h

Special Topic: Designations and Names of “Small Bodies”