Interstellar Comet 2I/Borisov Appears to Have Broken in Half

In 2019, amateur astronomer Gennadiy Borisov discovered a comet, which now bears his name. There's a long history of amateur…

7 months ago

NASA’s TESS Watched an Outburst from Comet 46P/Wirtanen

TESS, the Transiting Exoplanet Survey Satellite, has imaged an outburst from the comet 46P/Wirtanen. It caught the outburst in what…

11 months ago

Video of Green Comet 45P Puts You Close To The Action

Watch Comet 45P pirouette end over end in this detailed radar view of the comet's nucleus.

4 years ago

Rock Around the Comet Clock with Hubble

The Hubble Space Telescope takes a deep look into the Comet 252P/LINEAR and discovers a spinning jet. We look at…

4 years ago

Comet Catalina Grows Two Tails, Soars at Dawn

Amateur astronomer Chris Schur of Arizona had only five minutes to observe and photograph Comet Catalina this morning before twilight…

5 years ago

How to Find Rosetta’s Comet In Your Telescope

How would you like to see one of the most famous comets with your own eyes? Comet 67P/Churyumov-Gerasimenko plies the…

5 years ago

Dramatic Outburst at Rosetta’s Comet Just Days Before Perihelion

A comet on a comet? That's what it looks like, but you're witnessing the most dramatic outburst ever recorded at 67P/Churyumov-Gerasimenko by the…

5 years ago

Rosetta’s Comet Sparkles with Ice, Blows Dust From Sinkholes

Comet 67P/C-G may be tiny at just 2.5 miles (4 km) across, but its diverse landscapes and the processes that shape…

5 years ago

Dust Whirls, Swirls and Twirls at Rosetta’s Comet

Tell me this montage shouldn't be hanging in the Lourve Museum. Every time I think I've seen the "best image"…

6 years ago

Rosetta’s Comet Really “Blows Up” in Latest Images

First off: no, comet 67P/Churyumov-Gerasimenko is not about to explode or disintegrate. But as it steadily gets nearer to the Sun the…

6 years ago