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

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space ...

Astronomers have tracked a mysterious magnetar, SGR 0501+4516, across the Milky Way, revealing it may not have formed in a ...

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

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

What if everything we know—the stars, the galaxies, the expanding fabric of space-time—isn’t floating in a limitless void, ...

A decade of observations cast doubt on the typical magnetar origin story, at least as it relates to SGR 0501+4516.

Using the James Webb Space Telescope, scientists have discovered the strongest signs of alien life to date — and NASA has ...

The image was published as part of the 35th anniversary celebrations of the NASA/ESA Hubble Space Telescope, which was ...

NASA’s Hubble Space Telescope has spotted a magnetar a supermagnetic neutron star speeding across our galaxy. Its name? SGR ...

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 ...