From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

NASA's Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct ...

"We want to understand how these galaxies are forming stars, how many stars they’re forming, and especially how the black ...

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered evidence that suggests the presence of a long-sought supermassive black hole at the heart of the nearby spiral galaxy ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

SHANGHAI -- An astronomical satellite jointly developed by China and France has detected a gamma-ray burst dating back 13 ...