New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Forget aliens lurking in the shadows of some distant planet; astronomers are transfixed by one that's just blazed into our solar system from the cosmic void. This comet is an object so profoundly rare ...

Barreling into the solar system at more than 137,000 miles an hour, the comet 3I/ATLAS is only the third confirmed interstellar object ever detected and it’s putting on a show unlike anything seen ...

The nickname Dracula’s Chivito playfully reflects the heritage of its researchers—one from Transylvania and another from ...

Hubble spots the largest known planet forming disk, chaotic and lopsided, hiding a young star 1,000 light years away, raising ...

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system's ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s ...

Almost a thousand years since its formation, the Crab Nebula sports complex shells of plasma, filled with tendrils, filaments ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track ...