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

ALMA observed water in Halley-type comet 12P/Pons-Brooks that was similar to Earth’s oceans, indicating the role of comets in ...

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 ...

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

The mysterious object named 3I/ATLAS that came from outside our solar system and is hurtling towards the sun, has once again ...

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

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

New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in 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 ...

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...