There’s been a new comet in the sky over the past few weeks, but now is the prime time to see it for yourself.

Fears of extraterrestrial probes rise with 3I/ATLAS's sunward jet, but NASA debunks: routine comet activity ahead of 29 Oct ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

The behavior, though dramatic, is perfectly normal for comets as they heat up while approaching a star, experts say. An ...

Comet Lemmon is moving quickly west of the Big Dipper, near bright Arcturus, while Comet SWAN lies beneath the three stars ...

Although recent vaccine approvals have raised hopes of a turnaround in the pandemic later this year, renewed waves and new variants of the virus pose concerns for the outlook. Amid exceptional ...