Spacewalking astronauts repaired and upgraded the famed Hubble Telescope during five missions from 1993 to 2009. Here's a ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

Roughly 100 years ago, American astronomer Edwin Hubble discovered that “spiral nebulae” were actually independent galaxies, located millions of light years away from us. He also figured out that ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

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

When I was in grade school I was fascinated by the world’s largest telescope: the 200-inch-diameter Hale Reflector on Palomar Mountain near San Diego.

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

A light-year is equivalent to almost 6 trillion miles. Launched in 2021 as the successor to the Hubble Space Telescope, Webb observed the scene in the infrared. NASA said in a statement it was ...

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

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

Astrophysics team say observation of chemical compounds may be ‘tipping point’ in search for extraterrestrial life ...