In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

The potential discovery of life elsewhere is down to the unprecedented sensitivity of Nasa's James Webb Space Telescope.

In a stunning find, astronomers using the James Webb Space Telescope (JWST) have discovered a spiral galaxy so eerily similar ...

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

Hubble’s 35‑year celebration brings a vibrant reimagining of the Sombrero Galaxy, revealing hidden dust lanes and far‑flung stars. This iconic “Mexican hat” quietly forms almost no new stars while ...

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

Less than one solar mass of gas is converted into stars within the knotted, dusty disk of the galaxy each year. Even the galaxy's central supermassive black hole, which at nine billion solar masses is ...

A newly released image from the Hubble Space Telescope shows the charming Sombrero Galaxy, named for its resemblance to the ...

Since the James Webb Space Telescope (JWST) began science operations, astronomers have observed galaxies that existed more ...

The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever seen before.