AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers have captured a stunning, detailed image of the nearby Sculptor galaxy, spanning an impressive 65,000 light years ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

The comet was discovered by the NASA -funded Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope in Chile ...

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

For years, scientists have suspected that stars can meet their doom by a one-two punch of back-to-back explosions — but ...

Beyond the fact that this is the third known interstellar object to have entered our solar system, “we don’t know very much,” ...