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 ...

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

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.