The Oort Cloud is a theorized invisible spherical shell that surrounds the Sun.
Only discovered in 2023, Comet C/2023A3 Tsuchinshan-ATLAS is visible through the naked eye right now. It won't return for ...
A recently discovered comet, known as C/2023 A3 Tsuchinshan–ATLAS, will make its closest approach of Earth on Saturday.
Photographers have immortalized Comet Tsuchinshan-ATLAS and you can, too. But you'd better be quick – it won't be around for ...
New photos of comet Tsuchinshan-ATLAS appear to show a faint "anti-tail" pointing away in the wrong direction. The puzzling ...
An icy comet that will take 80,000 years to return – if it survives the trip – is streaking across the sky this October.
The Tsuchinshan-ATLAS comet is visible from the Northern Hemisphere this month—and won't be back for another 80,000 years.
The comet—traveling about 44 million miles away—was observed from Earth for the first time earlier this month.