Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

The risk of a cosmic body striking Earth—or exploding in the sky—may be higher in 2032 and 2036, researchers have cautioned.

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

A 2023 astronaut photo shows off an unusual cranium-like structure appearing to stare up into space from the floor of a large ...

NVIDIA GPU space mission could revolutionize cloud services by enabling orbital data centers that make apps, games and AI ...

Far above your head, in the atmosphere between Earth and outer space, an invisible process is occurring. The increasing ...

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

Evidence suggesting that some type of intelligence was observing the Earth from space long before humans launched their first ...

New peer-reviewed research reporting strange lights in the pre-space-age sky is sparking curiosity and controversy ...

Space.com, which first reported the images, notes that this kind of Halloween-themed coincidence isn't new. The Sun has shown ...

China’s Shenzhou-21 spacecraft docked with the Tiangong space station just over six hours after launch, carrying three ...