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Inspiring Earth's Next Generation of Explorers Since 2012

Curious Kids Universe

Why isn’t there any sound in space?

December 10, 2025

Human Spaceflight ISS

Water recycling is key for ISS and Mars missions

November 21, 2025

Curious Kids Human Spaceflight ISS

How does the International Space Station stay in low Earth orbit?

November 19, 2025

Blue Origin Mars Rocket Launch

Successful New Glenn launch and landing to broaden spaceflight market

November 15, 2025

Curious Kids Sun

What are solar storms and the solar wind?

November 14, 2025

Newest Articles

Relativity Space launches Terran 1, world’s first 3D printed rocket

Ken Kremer March 28, 2023

Unusual, long-lasting gamma-ray burst challenges theories

Eleonora Troja December 23, 2022

Orion spacecraft with Moon closeup and crescent Earth in distance

Orion takes a selfie on way to Sunday splashdown

Ken Kremer December 8, 2022

orion spacecraft with moon and earth in photo

Orion conducts lunar flyby; captures Earth and Moon in photos

Ken Kremer November 22, 2022

smoke trail of artemis rocket launch into florida's night sky

Artemis era is underway as test flight launches to the Moon

Ken Kremer November 21, 2022

illustration of SLS rocket soaring above clouds

Artemis 1: Here’s what to expect and why it’s important

Jack Burns November 14, 2022

Hurricane delays launch of Artemis to Nov. 16

Ken Kremer November 13, 2022

artemis sculpture on display at Capitoline Museum in Rome, Italy

Who is Artemis? Ancient lunar goddess turned feminist icon

Marie-Claire Beaulieu November 8, 2022

Curious Kids

QuizMe: Space Quizzes

Interviews

Word Games & More

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Astronomy

Moon phases: Past, present and future

Starting in astrophotography

Kepler finds nearest twin to Earth yet

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

Earth

Troubleshooting with a ‘dead’ astronaut

Celebrating Mars New Year

Deep Space Network: Finding the signal for 50 years

International Space Station

Crews named for future ISS missions

The One-Year Mission

Bulawa sisters are sending an experimental garden to ISS

Astronaut Reid Wiseman on the first spacewalk of Expedition 41

Lunar Exploration

Unsung heroes of the Apollo program

Fly me to the Moon (on the Boeing Space Tug)

China lands Yutu rover on the Moon

Mars

QuizMe: Mars, The Red Planet

Meteorites contain clues about geology of Mars

Another delay slips launch of Mars 2020 to July 30

Mars Exploration Word Search

Solar System

Into the unknown! Interstellar adventure begins for Voyager 1

WISE finds mysterious centaurs may be comets

Deep Impact comet hunter mission comes to an end

Universe

Ice and Stone

Special Topic: 1I/‘Oumuamua

Ice and Stone 2020 Word Search #3

This Week in History: October 11-17

Comet of the Week: The Great Comet of 1811