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

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...

NASA and the International Asteroid Warning Network have launched a global campaign to track comet 3I/ATLAS and strengthen ...

By early December, 3I/ATLAS will move away from the Sun’s vicinity, and its glare, and will be visible again in the Northern ...

Astronomers using NASA's Swift telescope detected water on interstellar comet 3I/ATLAS in a surprising location. Discover how ...

IMAP (short for "Interstellar Mapping and Acceleration Probe") is the primary payload on today's flight. The roughly $600 ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

NASA’s Habitable Worlds Observatory "will draw on technologies proven by the agency’s Hubble, Webb and upcoming Roman Space ...