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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

Comet of the Week: 17P/Holmes

Alan Hale November 1, 2020

Special Topic: The Death of Comets

Alan Hale November 1, 2020

New NASA Posters Feature Cosmic Frights for Halloween

RocketSTEM October 31, 2020

Three reasons why black holes are the scariest things in the Universe

Chris Impey October 30, 2020

Check out these experiments on the International Space Station

Lenore Adkins October 29, 2020

This Week in History: October 25-31

Alan Hale October 24, 2020

Comet of the Week: Ikeya-Seki 1965f

Alan Hale October 24, 2020

Special Topic: Kreutz Sungrazers

Alan Hale October 24, 2020

Curious Kids

QuizMe: Space Quizzes

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Astronomy

Earth

International Space Station

Lunar Exploration

Mars

MSL Curiosity rover keeping busy on Mars

Solar System

Universe

Ice and Stone

Comet of the Week: NEOWISE C/2020 F3

Special Topic: Terrestrial Impact Craters

This Week in History: July 19-25

Comet of the Week: Hale-Bopp C/1995 O1