Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

A total lunar eclipse, or blood moon, will make the satellite glow red across Asia, Australia, the Pacific and the Americas.

A recently uncovered 14th century shipwreck with a huge cargo of Yuan Dynasty porcelain offers a window into the storied Chinese craft during the era of the Mongol Empire.

NASA on Friday announced an abrupt change to its pathway to getting astronauts back on the lunar surface, opting to add in an additional crewed test flight before attempting to land.

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

Re-creating a piece of the universe in a bottle might sound like science fiction, but it’s exactly what Linda Losurdo did. Losurdo, a doctoral student in materials and plasma physics at the University ...

NASA’s efforts to get the Artemis II mission off the ground have stalled once again, as engineers navigate a new issue with the rocket set to launch four astronauts around the moon.

So, “how — imagination, for instance — manifests in an ape may not be a ‘cut-down’ version of the equivalent ability in humans.” Sign up for CNN’s Wonder Theory science newsletter. Explore the ...

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly between male Neanderthals and female humans.

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.