A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. M31, the Andromeda Galaxy, is one of the most spectacular ...

Hunting for aurorae is one of the most accessible forms of visual astronomy. To see the northern lights, all you have to do is find a good dark-sky site, a clear horizon, and look north — in the ...

The night sky might be on the brink of gaining a brand-new star for a few weeks. T Coronae Borealis, also known as the "Blaze Star" or T CrB, is a binary star system located about 3,000 light-years ...

Blink and you might miss your chance to see this once-in-a-lifetime comet. Here's how to make sure you catch a glimpse. When you think about once-in-a-lifetime events, you probably think of weddings, ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Delivered daily ...

Comet Tsuchinshan-ATLAS is nearing Earth and getting brighter. By Katrina Miller Katrina Miller last wrote about a comet — Pons-Brooks — in April. Look up, stargazers: A comet discovered last year is ...

What exactly is observation, when does it start, and how does it develop? Here’s a big tip: The best observers are less-opinionated. If you operate with opinions, you observe to confirm or refute them ...