Chinese Rocket Crashes After Accidentally Launching During Test

A commercial Chinese rocket accidentally launched during a ground test on Sunday, climbing into the air…

Why NASA and Boeing Are Being So Careful to Bring the Starliner Astronauts Home

Two NASA astronauts who traveled at the start of June to the International Space Station were…

ISS Astronauts Take Shelter After Russian Satellite Breaks Up In Space

A decommissioned Russian satellite fractured in space on Wednesday, creating a cloud of debris in low…

A Global Push Fixed the Ozone Hole. Satellites Could Threaten It.

Low-Earth orbit, a layer of superhighway that wraps around Earth’s thermosphere some 200 to 600 miles…

Two Killer Asteroids Are Flying by Earth, and You May Be Able to See One

This week, two asteroids — one big enough to destroy a city, and the other so…

He Monitors Solar Flares. Here’s What Keeps Him Up at Night.

In May, the National Oceanic and Atmospheric Administration issued a watch for a possible solar storm.…

China Prepares to Land Moon Rocks From Lunar Far Side to Earth

On Tuesday, a capsule carrying soil from the far side of the moon will parachute into…

NASA Cancels Spacewalk Over Spacesuit Water Leak

A spacewalk by two NASA astronauts at the International Space Station ended almost as soon as…

An Odd Rock in a Box Gets Linked to a Shooting Star That Fell 54 Years Ago

Tens of thousands of meteorites have been found on Earth, but a vast majority remain shrouded…

Piping Up at the Gates of Dawn

Since the James Webb Space Telescope began operating two years ago, astronomers have been using it…