Researchers may have finally cracked the age-old mystery about the origins of Earth's water, and the answer might be related ...

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

Water is at the center of one of the enduring questions about how life first formed on Earthr. More specifically, where did the very first water molecules form, and how? In 2020, researchers at ...

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

Scientists have confirmed the presence of an immense reservoir of water trapped deep within the Earth’s mantle, reshaping our ...

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.

Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into question widely held beliefs about the origins of water and the planet’s ...

Chemical profiling traces the source of water in one of the brightest known comets to keep returning to the Solar System.

Scientists speculate that asteroids colliding with Earth delivered water—an essential building block of life—but new research suggests the planet didn't need the delivery.

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