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Inspiring Earth's Next Generation of Explorers Since 2012

Astronomy Milky Way

When you wish upon a star, is it already dead?

July 28, 2025

Curious Kids Universe

How many stars are there in the Universe?

July 25, 2025

Curious Kids Moon

Why do some planets have moons and others don’t?

July 24, 2025

Curious Kids Earth

How has the inside of the Earth stayed hot for billions of years?

July 23, 2025

Curious Kids Mars

Is Mars really as red as people say it is?

July 22, 2025

Newest Articles

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

Tiangong station gives China continuous presence in orbit

Eytan Tepper August 22, 2023

First launch of SpaceX’s Starship was a successful failure

Wendy Whitman Cobb April 27, 2023

ESA’s Juice lifts off to probe secrets of Jupiter’s icy moons

European Space Agency April 14, 2023

Shelf Space

QuizMe: Space Quizzes

Interviews

Emily Nelson working to keep astronauts safe aboard the ISS

Word Games & More

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Astronomy

Clusters of jewels shining in the night sky

Omega Centauri

A new look in 3D at the Pillars of Creation

Celestial fireworks mark Hubble’s 25th

Earth

NASA prepares robot to traverse beneath oceans of Europa

NASA mission in Senegal promotes scientific discovery

When disaster strikes, space agencies share forecasts

International Space Station

Check out these experiments on the International Space Station

Boeing Starliner orbital test flight to ISS targeted for December

SpaceX launch of Crew-1 mission set for Oct. 23

SpaceX Crew Dragon pinpoints first-ever splashdown in Gulf of Mexico

Lunar Exploration

DSCOVR sees the Earth like never before

Rovering across the Moon during Apollo 15

Troubleshooting with a ‘dead’ astronaut

Mars

Horgan passionate about studying Mars’ geology

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

Solar System

Philae bounces into history books

Exploring the Dawn of the solar system

Charley Kohlhase has been our ambassador to the planets

Universe

Scientists detect gravitational waves from birth of the Universe

Meet NASA’s James Webb Space Telescope – Launch Date: 2018

The Spitzer Space Telescope: 10 years of viewing the Universe’s dark side

WISE discovers black hole duo merging together

Ice and Stone

Comet of the Week: ISON C/2012 S1

Special Topic: Close Asteroidal Encounters

This Week in History: November 15-21

Comet of the Week: 29P/Schwassmann-Wachmann 1 1927j