I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a ...

When the interstellar traveler 'Oumuamua sped through our solar system in 2017, it left behind a lot of unanswered questions ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Comet 3I/ATLAS, a 33-billion-ton object that's older than our solar system, will make its closest approach to Earth on Friday. Scientists are ...

While the comet will remain visible to telescopes for several months, tonight marks the moment it is nearest to Earth, making ...

NASA's $10 billion space telescope studied the third interstellar object to enter the solar system, measuring the chemical contents of its halo. When you purchase through links on our site, we may ...

CAPE CANAVERAL, Fla. — The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. NASA and the European Space Agency released the ...

A rare interstellar comet will sweep past Earth this week at a safe distance, giving scientists a brief chance to study ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The largest comet ever found has jets of carbon monoxide gas ...

After a decade-long mission, Philae, the trailblazing, space-exploring robot that made history when it landed on a speeding comet, bid a final farewell to Earthlings on Wednesday, NBC News reported.