NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage ...

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

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

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

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

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

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

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

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their ...

Dodgers pitcher Clayton Kershaw was picked for his 11th All-Star Game and Paul Skenes, James Wood and Elly De La Cruz boosted ...