Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

The highly anticipated interstellar comet is currently invisible from Earth and completely hidden by the Sun's glare.

Famed scientist Avi Loeb is investigating the newly found quasi-moon 2025 PN7, questioning if it is an artificial alien probe ...

Interstellar comet 3I/ATLAS reaches perihelion hidden from Earth's view. Learn why NASA and ESA spacecraft have a front-row ...

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

Comet 3I/ATLAS is hitting a major milestone on Oct. 30, 2025. The interstellar comet is reaching perihelion, its closest ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

The interstellar comet 3I/ATLAS reached its perihelion, the closest point to the sun, and is expected to be most active on ...

The asteroid's neck, or "collum," — which joins the two lobes — has been named Windover. The name comes from the Windover Archaeological Site, which is near Cape Canaveral Space Force Station in ...

Southwest Research Institute could lose more than $265 million if the cuts go through, including defunding missions already ...