Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Where is comet Tsuchinshan-ATLAS tonight? It’s not too late ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space.

PORTLAND, Ore. (KATU) — Space, it’s full of surprises. An object, discovered at the beginning of the year, was first thought to be an asteroid. But then it grew a tail. Astronomers with the Mount ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand years. Comet C/2025 A6 (Lemmon), described by National Geographic as “this ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

A comet, dubbed C/2025 K1 (ATLAS), spectacularly broke apart into three huge chunks — and anybody with an eight-inch telescope or bigger can catch the resulting fireworks show for the next several ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

Is 3I/Atlas an interstellar alien vessel or simply an intriguing, unique rock hurling through the cosmos? That debate has been raging ever since the comet, only the third known interstellar object to ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...