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 ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

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

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

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,” ...

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

Astronomers do know that 3I/ATLAS is a comet that's about 670 million kilometers (416 million miles) away from the sun. Based on current projections, it poses no danger to planet Earth.

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the comet in the footage. Credit: NASA/STEREO/Karl Battams | edited by Space.com's ...