Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can explode not once, but twice before fading forever.

New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still important.

The European Union said it will stick to its timeline for rolling out its AI legislation, ignoring calls by tech companies to delay the bloc's AI rules.

A Manhattan-sized interstellar comet, named 31/ATLAS, was spotted blazing through our solar system – marking only the third time a mysterious object from beyond our cosmic neighborhood has been ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Astronomers race to learn more about third interstellar visitor Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Sophia Hutchins, Caitlyn Jenner's close friend and manager, has died at 29 after an ATV accident near Jenner's home in Malibu, California ...

Just as the U.S. is stumbling and falling back in its efforts to find alien life, astronomers around the world are preparing for the steep climb.

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 ...

Over the next few days, astronomers will pull together evidence to determine whether the object is a comet.

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object we've discovered.