Most rocket launches are watched on the way up. Engines ignite, the vehicle climbs ...

The Artemis II crew have safely returned home after re-entering Earth's atmosphere at 25,000mph (40,000km/h), splashing down off the coast of California. They have travelled deeper into space than any ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A Soviet-era ...

After nearly five months onboard the International Space Station, an international crew of four astronauts began their descent back down to Earth on a SpaceX capsule Friday. US astronauts Anne McClain ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Van Allen Probe A and Van Allen Probe B were designed to fly through and study Earth's radiation belts. (NASA) A defunct ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A piece of a Soviet ...

A defunct, Soviet-era spacecraft is falling back to Earth uncontrolled, but experts say there’s little cause for alarm. The half-ton craft, known as Kosmos-482, was designed to land on Venus but ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. In July of 2020, NASA engineers sent a rover named Perseverance hurtling into space. And ...