The Sun is covered in dark patches bigger than Earth. A powerful flare has already erupted, with more likely coming.

To estimate how close a supernova would have to be to cause serious damage to Earth, we must first look at a supernova's destructive capabilities. When you purchase through links on our site, we may ...

A strange pulse coming from 3I/ATLAS has gotten the public talking, as new telescope data shows the object brightening and dimming in a clean 16.16-hour rhythm. Astronomers describe the pattern as a ...