When you go outside on a clear, moonless night, you can see not only lots of stars but also the black space between them—literally space, in this case. Given that you can see stars and that the sky is ...

As someone who has spent thousands of hours observing the night sky, I like to think that I’m pretty familiar with it and able to navigate my way around with some ease. That’s certainly true on the ...

Comet Tsuchinshan-ATLAS is on its way to brighten up the night sky — and the best is yet to come. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The past month has seen Comet C/2025 A6 (Lemmon) brightening rapidly ahead of its close approach to the sun, leading to growing excitement that it could shine brightly enough to be seen by the naked ...