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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

Brief history of how we brought the stars indoors to planetariums

Martin Bush June 12, 2025

Rubin Observatory assembling the most complete time-lapse record of the universe

Noelia Noël June 9, 2025

New model helps to figure out which distant planets may host life

Daniel Apai June 5, 2025

Landing on the Moon is still an incredibly difficult feat in 2025

Zhenbo Wang June 2, 2025

Astronaut Sally Ride’s legacy – encouraging young women to embrace science and engineering

Bonnie Dunbar May 26, 2025

Voyager Missions Word Search

Chase Clark May 22, 2025

Radioisotope generators are the ‘nuclear batteries’ that power faraway spacecraft

Benjamin Roulston May 20, 2025

Voyager 1 thrusters, inoperable for 21 years, fixed from 15 billion miles away

NASA JPL May 19, 2025

Curious Kids

QuizMe: Space Quizzes

Interviews

Green Bank offers unique view to Dr. Lockman

A conversation with Skylab 4 astronaut Ed Gibson

Gene Cernan: A conversation with the last men on the Moon

Harrison Schmitt: A conversation with the last men on the Moon

Word Games & More

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Astronomy

QuizMe: Hubble Space Telescope

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

NASA mission in Senegal promotes scientific discovery

The Great American Solar Eclipse of 2017

Earth

Grounded by pandemic, NASA interns keep researching

UAE’s Mars mission aims to inspire citizens to pursue STEM fields

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

International Space Station

Meet the Astronauts for the Crew-1 Mission

Crew Dragon and Falcon 9: The newest way to get to the ISS

What the ISS has taught us about living in space

International Space Station marks 20 years of continuous human presence

Lunar Exploration

QuizMe: Neil Armstrong

India’s Vikram lander remains silent since last moments of lunar descent

Israeli Beresheet lander crashes onto Moon; new mission planned

Mars

What medicines should we take to Mars?

Perseverance pinpoints landing inside Jezero Crater

American scientist collaborates on UAE’s Mars mission

USGS astrogeology maps are guiding Mars 2020 mission

Solar System

NASA mission in Senegal promotes scientific discovery

ITS: SpaceX’s bold vision for crewed exploration of the solar system

Dawn’s rich harvest as Ceres gives up secrets

Universe

James Webb Space Telescope being tested on Earth

James Webb Space Telescope: How to send a giant telescope to space – and why

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

See the first-ever image of a black hole

Planets may rejuvenate around dead stars

Ice and Stone

This Week in History: Nov. 29 – Dec. 5

Comet of the Week: 109P/Swift-Tuttle 1992t

Special Topic: Sample Retrieval Missions

This Week in History: November 22-28