Most people imagine a comet’s tail as a trail left behind as it moves through space, but that’s not what’s actually happening ...

The ion tail appeared as Comet C/2025 R3 PanSTARRS was about 45 million miles from Earth (72 million kilometers) during its closest approach.

Over the next two weeks stargazers have a chance to spot the blue-green orb and smudgy tail of comet known as C/2025 R3 PanSTARRS ...

Australians will have their only chance to spy a newly discovered blue-green comet scorching past Earth during the next ...

NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...

Here's how to see Comet PanSTARRS in satellite images ahead of its close approach to Earth on April 26.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A brightening comet reaches a key moment on Sunday morning ...

STARRS, also known as comet C/2025 R3 (Pan-STARRS), is now visible before sunrise. Here’s how, when and where to see it on Tuesday, April 21.

A rare comet, C/2025 R3 PanSTARRS, will illuminate New Zealand skies for two weeks, offering a fleeting glimpse before ...

STARRS, also known as comet C/2025 R3 (Pan-STARRS), will get closest to the sun on Sunday, April 19 — and should reach its brightest. Here's how to see it.

Looking for a sky event this week? Check out our full Sky This Week column. May 9: Look the croc in the eye Although still ...

A rare long-period comet, C/2025 R3 (PanSTARRS), is currently visible in southern skies for a limited time. Originating from ...