I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Cones outnumber rods only in the center of the retina, which is the area of greatest density. It is also the area most ...

The July full moon didn't disappoint as it rode low across the horizon last night and we've got the photos to prove it.

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

NASA has pushed the boundaries of astronomy once again with the James Webb Space Telescope (JWST)—the most advanced telescope ...