This 250-million-year-old fossil proves mammal ancestors laid eggs

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the ...

‘It really bent your mind’: The life-altering phenomenon astronauts experience in space

The Artemis astronauts’ reflections echo a long described change that occurs when humans are given the chance to view Earth ...

The ‘oldest octopus’ in the world isn’t an octopus after all, scientists find

The story of a 300-million-year-old fossil has been rewritten after scientists discovered that it doesn’t actually belong to ...

Antimatter took to the road for the very first time. Here’s why it matters

Scientists successfully transported a minute quantity of antimatter for the first time, opening up new possibilities for the ...

NASA releases new ‘Earthset’ and eclipse images taken during historic flyby of the moon

Over seven hours, the astronauts took thousands of photos that will help inform scientists’ understanding of the moon. The first ones have now been released.

Artemis II astronauts will see parts of the moon no human has before. Here’s how

The distance Orion will travel during the Artemis II moon flyby will let the crew see the entire lunar disk, including ...

Astronaut whose medical issue prompted NASA’s first early return from the ISS speaks out

NASA’s Mike Fincke has publicly identified himself as the astronaut who had a concerning “medical event” that led to an early exit from the International Space Station.

Pooping and snacking: More on an astronaut’s daily life inside the tight Orion

The Artemis II mission around the moon is underway. Four CNN journalists cram inside a capsule-size van to show the ...