Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

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

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

Astronomers confirm third interstellar object, 3I/Atlas, a fast-moving comet from deep space, giving rare insight into ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

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

NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the ...

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

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...