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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…

10 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…

1 year 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…

5 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…

6 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