July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

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 ...

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency ...

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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space agency spotted the quick-moving object with the Atlas telescope in Chile on ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth—but closer to the red planet than us at a safe 150 million miles (240 ...