Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Beyond the fact that this is the third known interstellar object to have entered our solar system, “we don’t know very much,” ...

NASA has since confirmed the object is an interstellar comet called 3I/ATLAS – and it is only the third interstellar object ...

The European Space Agency (ESA) will launch its bold "Comet Interceptor" Mission after 3I/ATLAS became the third interstellar ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

NASA's mission to the Arctic uncovered something that wasn't supposed to exist. Beneath the ice lay what appears to be a long ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Scientists aimed ALMA at the comet in March 2024 and saw carbon monoxide — a gas that usually doesn’t show up in observations ...