While observing the Halley-type comet 12P/Pons-Brooks with ALMA and NASA's Infrared Telescope Facility, researchers ...

Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic ...

Researchers found that Comet 12P/Pons-Brooks contains water matching Earth’s oceans. The comet, nicknamed the “devil comet,” was studied using advanced observatories in Chile and Hawaii.

Comet 12P/Pons Brooks shows a D/H water ratio matching Earth’s oceans, revealed through ALMA and NASA IRTF observations.

A massive comet trail may have caused climate upheaval on Earth more than 12,000 years ago, sparking the Younger Dryas.

An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

Alien hunting Harvard astronomer Avi Loeb continues to rail against the idea that our newest interstellar is merely a comet.

For centuries, people have wondered where Earth’s vast oceans came from. Our planet didn’t form with much water, yet today it ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

The work indicates that the picture of extraterrestrial water being delivered to Earth is complex. Maybe not all comets, but ...

Brooks, the "devil comet," reveals that its water vapor possesses a chemical composition nearly identical to Earth's oceans.

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...