Comets | Universe Today

Comets

Rosetta Saw the Building Blocks of Life on Comet 67P

Why is there so little nitrogen in Comet 67P/Churyumov-Gerasimenko (67P)? That's a question scientists asked themselves when they looked at…

2 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…

4 months ago

Interstellar Comet Borisov is About to Make its Closest Approach to Earth

A team of astronomers from Yale have taken the clearest picture of the interstellar comet 2I/Borisov to date, showcasing its…

4 months ago

Comets and Interstellar Objects Could be Exporting Earth Life Out into the Milky Way

A new study suggests that comets and asteroids that graze Earth's atmosphere might be responsible for the spread of life…

5 months ago

Here’s the Picture We’ve Been Waiting for. Hubble’s Photo of Interstellar Comet 2I/Borisov

Leave it up to the good ole Hubble Space Telescope. The workhorse telescope has given us a photo of the…

5 months ago

Astronomers Find Cyanide Gas in Interstellar Object 2I/Borisov, but Don’t Panic Like it’s 1910

An international team of astronomers recently obtained spectra from the interstellar comet 2I/Borisov, which confirmed the presence of cyanide gas.

6 months ago

Rosetta Saw Collapsing Cliffs and Other Changes on 67P During its Mission

It seems that comet 67P/Churyumov–Gerasimenko is not the stoic, unchanging Solar System traveller that it might seem to be. Scientists…

6 months ago

Could We Intercept Interstellar Comet C/2019 Q4 Borisov?

A recent study by members of i4is shows how we could intercept future interstellar visitors using existing technology.

6 months ago

Images are Starting to Come in of the New Interstellar Comet

Thanks to the Gemini Observatory, we now have our first glimpse at the interstellar comet, C/2019 Q4, the second interstellar…

7 months ago

Oumuamua 2.0? It Looks Like There’s a New Interstellar Object Passing Through the Solar System

Astronomers with NASA and the ESA have confirmed that an object that could be interstellar in origin (like 'Oumuamua) is…

7 months ago