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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

Scientists discover ancient buried beach on Mars

Aaron J. Cavosie May 15, 2025

Mars may have once had a carbon cycle more favorable for life

Elisabeth Hausrath May 13, 2025

Pearl Young overcame barriers and ‘raised hell’ at NASA

Caitlin Milera May 12, 2025

New theory explains how water first arrived on Earth

Quentin Kral May 7, 2025

Why meteorites have less water than the asteroid bits returned by space probes

Patrick Shober May 5, 2025

Extraordinary evidence needed to claim discovery of extraterrestrial life

Chris Impey April 29, 2025

Potential sign of life found on a distant planet and why many are still skeptical

Daniel Apai April 20, 2025

Gaia telescope ends mission to create 3D map of Milky Way

Laura Nicole Driessen March 31, 2025

Curious Kids

QuizMe: Space Quizzes

Interviews

Emily Nelson working to keep astronauts safe aboard the ISS

Word Games & More

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Astronomy

Kepler has found Earth’s older, larger cousin

Clusters of jewels shining in the night sky

Omega Centauri

A new look in 3D at the Pillars of Creation

Earth

Go outside and view Comet NEOWISE before it disappears for 6800 years

Meteorites contain clues about geology of Mars

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

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

Bringing Mars rocks to Earth; scientist explains the tech, goals

UAE and China place missions into Mars orbit mere hours apart

NASA prepares for Seven Minutes of Terror; UAE and China also enroute to Mars

Horgan passionate about studying Mars’ geology

Solar System

Mining the sky

OSIRIS-REx is bringing home a piece of an asteroid

Philae bounces into history books

Universe

An explosive quartet: Supernova ‘multiplied’ by galaxy

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

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