The discovery renews the debate about how Earth got its oceans. If comets like 12P/Pons-Brooks carried water to our young ...

A recent study published in Nature Astronomy has delivered the clearest evidence yet that some comets carried Earth-like ...

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

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

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

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

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

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

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

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

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...