Water found on Comet 12P/Pons-Brooks is "virtually indistinguishable" from water found on Earth. A "devil" comet's water is ...

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

New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in Earth's oceans, ...

In 2024, scientists studying ancient sediments in the eastern United States reported signs of a comet exploding in Earth’s ...

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

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

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

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

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

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

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

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.