In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

This mystery arose more than 20 years ago when the Hubble Space Telescope spotted the oldest known planet, which was formed ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

"We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history." ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: Space.com | Science: Amy Simon (NASA-GSFC) / Animation: Joseph DePasquale (STScI) ...

The 2025 US stamps offer up a lot of familiar faces, among them Betty White. We’ll always miss her.

On this date, President John F. Kennedy provides NASA with its strongest advocate for large space telescopes, James Webb ...

For optical astronomy, the space station will be accompanied by the Xuntian telescope, which can be translated to “survey the ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way's satellite ...