Astronomers have obtained new images of the mysterious interstellar object 3I/ATLAS that reveal a new feature: the fastest ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

For the past few days, the interstellar comet 3I/ATLAS has been displaying a blue-green gas coma measuring 2.5 arcminutes ...

likening the urge to describe 3I/ATLAS as comet to “calling an elephant a ‘zebra without stripes.’” 3I/ATLAS will pass closest to the sun on Oct. 30 and then will proceed in retrograde from Earth ...

According to Dean Duffy, the new NASA administrator, a rock sample collected by the Perseverance rover was the "clearest sign ...

A comet named “Devil” has revealed an important clue about the origin of water on Earth. Researchers recently discovered that water on Comet 12P/Pons-Brooks, a rare galactic phenomenon known for its ...

New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in Earth's oceans, offering fresh support for the idea that comets may have played a crucial ...

NASA's Perseverance rover on Mars has collected its 24th sample of Jezero Crater. The 'Comet Geyser' sample is "great for ...