Comet 3I/ATLAS nears Earth on December 19, 2025. This interstellar visitor displays an unusual green glow. Scientists are ...
Comet Tsuchinshan-Atlas makes an appearance in the western night sky as amateur photographers Nolan Letellier, left, and Link Jackson observe on a ridge near the Dry Creek Trailhead in Boise, Idaho, ...
A recently discovered comet, known as C/2023 A3 Tsuchinshan-ATLAS, will make its closest approach of Earth on Saturday. Sky-gazers won't want to miss the event since it may be the last time the ...
Coloradans looking to the west in the early evening hours this week have the chance of spotting an ancient marvel not seen for 80,000 years. An Oort Cloud comet is currently passing Earth as part of ...