An astonishing discovery from the James Webb Space Telescope may rewrite our understanding of the Universe’s early years. A ...

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

Astronomers think there could be as many as 100 million black holes in our galaxy, most with a similar mass to our Sun, but ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

But given the age and vastness of the universe, a different question has long puzzled some scientists: why haven't we already come in contact with aliens?

In a landmark discovery, astronomers have confirmed the existence of a solitary stellar-mass black hole—an object with ...

One of the most spectacular galaxies in Earth's sky is the subject of a new image release to help celebrate 35 years of ...

Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent stars.