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

Halley's Comet was predicted to reach its farthest point from the sun on Dec. 9, beginning a 38-year journey toward Earth that culminates in 2061.

A comet known as the "Devil Comet," twice the size of Mount Everest, is currently approaching Earth. This comet, scientifically labeled as 12P/Pons-Brooks, is a periodic comet with an orbital ...

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