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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

Building blocks of life found within asteroid Bennu

Timothy McCoy January 31, 2025

100 years ago Edwin Hubble settled astronomy’s ‘Great Debate’

Chris Impey January 25, 2025

Blue Origin’s New Glenn rockets to orbit − a feat 15 years in the making

Wendy Whitman Cobb January 16, 2025

Three years of discovery by the James Webb Space Telescope

Themiya Nanayakkara December 24, 2024

NEOWISE’s mission to catalog objects around Earth ends

Toshi Hirabayashi December 5, 2024

100 years ago we learned the Milky Way is not the only galaxy

Jeffrey Grube November 21, 2024

Missions to probe if subsurface oceans of Jupiter moons could support life

Mike Sori October 18, 2024

Psyche visit of a metal world may reveal mysteries of Earth’s interior

Jim Bell September 5, 2023

Curious Kids

QuizMe: Space Quizzes

Interviews

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Astronomy

Celestial fireworks mark Hubble’s 25th

Hubble’s Top 100 images

Hubble Space Telescope: Showing humanity the Universe for 25 years

How they do it: Processing Hubble images from B&W into stunning full-color

Earth

James Webb’s primary mirror passes test before pandemic suspends work

NASA prepares robot to traverse beneath oceans of Europa

NASA mission in Senegal promotes scientific discovery

International Space Station

Dragon Endeavour delivers astronauts to ISS after historic flight

Christina Koch Breaks Record for Longest Female Spaceflight

Koch and Meir complete historic first all-female spacewalk

NASA’s first women-only spacewalk to occur this week

Lunar Exploration

Al Worden on the honor of being an astronaut

A look at ‘The Last Man on the Moon’

Apollo 11: A giant leap for mankind

Mars

Curiosity celebrates 3,000 days since landing on Mars

Preparing for surgeries in space and on Mars

10 Days in July: Trio of nations launch separate missions to Mars

All About Mars

Solar System

Exploring the Dawn of the solar system

Charley Kohlhase has been our ambassador to the planets

Deep Space Network: Finding the signal for 50 years

Universe

WISE discovers black hole duo merging together

Planets rich in carbon  may be waterless worlds

Radio bursts discovered from beyond our galaxy

NASA’s NuSTAR helps solve riddle of black hole spin

Ice and Stone

Special Topic: Comets and Meteor Showers

This Week in History: November 8-14

Comet of the Week: “Tycho Brahe’s Comet” C/1577 V1

Special Topic: The Far Outer Solar System