Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...

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

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

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

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.

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

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

The Hubble Space Telescope reveals a new image of the Sombrero Galaxy, indicating its unique formation and merger with another galaxy.

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

NASA’s image of a massive 100-meter Martian pit sparks speculation of subsurface caves—potential shelters for microbial life ...

Discover the best star projectors on the planet this Easter as we've shortlisted the top models across a range of categories and price points. Here's our hands-on guide to the best star projectors ...

Carolyn Porco was 13 years old when she experienced her first 'cosmic connection.' She was on a rooftop in the Bronx, of all the unlikely places, peering through a friend's telescope when she caught ...