A strong geomagnetic storm watch has been issued for Thursday night into Friday morning after a number of strong solar flares ...

As a particularily active sunspot region rotates into view, the sun has released its largest solar flare since June.

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

The image was taken by GOES-19, the newest in the Geostationary Operational Environmental Satellite series operated by NOAA.

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

Hidden by the Sun’s glare, a new space object has been found lurking in our Solar System, and it's one of the fastest-moving ...

The SpaceX CEO currently maintains a vast constellation of nearly 9,000 Starlink satellites in orbit, which aren’t currently blocking out the Sun but are doing a tremendous job of blocking astronomers ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...