Space Exploration

These astronauts are trying to uphold the US Constitution: 'We need to make sure that people are using facts and evidence'

Artemis 2 heat shield is a sunken treasure in the ocean | Space photo of the day for April 28, 2026

Astronauts photograph Lyrid meteor shower from ISS | Space photo of the day for April 21, 2026

Astronauts face grip strength challenge in space and on Earth, scientists find

NASA astronauts joke around with an optical illusion on the ISS | Space photo of the day for April 15, 2026

Artemis 2 spies a crescent Earth above the moon's horizon | Space photo of the day for April 10, 2026

Artemis 2 astronaut poses for epic selfie | Space photo of the day for April 9, 2026

Artemis 2 captures historic 'Earthset' photo | Space photo of the day for April 7, 2026

Astronaut Victor Glover is the latest in a long line of Black American explorers − including York, the enslaved man who played a key role in the Lewis and Clark expedition

Europe's powerful Ariane 6 rocket launches 32 Amazon internet satellites

SpaceX rocket debris could slam into the moon: Here's what you need to know

SpaceX Falcon Heavy rocket lifts off on 1st launch in 18 months

Atlas V rocket launches 29 Amazon internet satellites, ties record for heaviest payload it's ever flown (video)

SpaceX launches its 50th mission of the year, sends 25 Starlink satellites to orbit (video)

Russia launches 3 tons of cargo to the International Space Station from Kazakhstan (video)

Rocket Lab launches Japanese 'origami' satellite, 7 other spacecraft to orbit (photos)

Blue Origin's huge New Glenn rocket grounded after launch mishap

SpaceX launches advanced GPS satellite for US Space Force after rocket swap (video, photos)

Artemis Accords: What are they & which countries are involved?

'This is going to be what makes the Earth secure.' How one California company plans to protect us from dangerous asteroids

Trump invited the Artemis 2 moon astronauts to the Oval Office. Here's what happened

Artemis 3 SLS rocket's core stage arrives in Florida for 2027 launch (photo)

Canadian astronaut Josh Kutryk finally flying to ISS after Boeing Starliner mishap: 'I'm committed to making the most of this unique opportunity'

'Guess I'll be waiting a minute to surf again': Artemis 2 moon astronaut Christina Koch shares her recovery journey

NASA still confident that Artemis astronauts will land on the moon in 2028 despite spacesuit delays

Meet the US Navy divers who welcomed the Artemis 2 astronauts home from the moon

NASA rolls out Artemis 3 SLS rocket's huge core stage to gear up for 2027 launch (photo)

Private South Korean rocket exploded last December due to hardware failure, investigation finds

Japan's private Space One Kairos rocket explodes after launch failure during 3rd test flight

Blue Origin pausing space tourism flights for at least 2 years to focus on moon plans

Blue Origin launches 6 space tourists to the final frontier after last-minute crew swap (video)

Watch Blue Origin launch 6 people to suborbital space today

Superheavy-lift rockets like SpaceX's Starship could transform astronomy by making space telescopes cheaper

SpaceX shatters its rocket launch record yet again — 165 orbital flights in 2025

Blue Origin launches 1st wheelchair user to space and back (video)

Blue Origin targeting Dec. 18 for historic 1st spaceflight of wheelchair user

Space junk cleanup tech that could 'shepherd' debris into Earth's atmosphere gets US patent

Space combat was 'critical to mission success' in US war in Iran, Space Force chief says

SpaceX launches two Starlink satellite groups 19 hours apart

'It probably will start a precedent': Why satellite company's withholding of Iran imagery has this expert worried

A satellite just captured images of a tsunami being born. Here's why that's a big deal

Satellite spies SpaceX Starlink before it breaks apart | Space photo of the day for April 1, 2026

'This is really intolerable': Astronomers protest giant orbiting mirror project and SpaceX's million AI satellites

An AI cyberattack could trigger a satellite apocalypse in the next 2 years. Are we prepared?

SpaceX plan for 1 million orbiting AI data centers could ruin astronomy, scientists say

Making contact with ET? Aliens may already know we're here

Disclosure day: If ET made contact, how would we handle the news?

Where are all the aliens? Maybe they just don't want to talk to us

No sun, no problem? How life could thrive on moons of starless 'rogue' planets

Where are all the aliens? Maybe space weather is scrambling their transmissions

Did Earth life actually begin on Mars? Asteroid impacts could let microbes planet-hop, study suggests

'War of the Worlds' in reverse? Mars dirt could help fight off a microbial invasion from Earth

Trump says US government will declassify its UFO files. Will we actually learn anything this time, or is this a distraction?

Life on Earth is lucky: A rare chemical fluke may have made our planet habitable