Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

The Hubble Space Telescope launched on April 24, 1990, aboard the Space Shuttle Discovery (STS-31), and deployed into Earth ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home.

In celebration of the Hubble Space Telescope's 35 years in Earth orbit, NASA is releasing an assortment of compelling images ...

She broke the world record for a marathon 20 years ago, two decades after her father ran his first. And now Paula Radcliffe's daughter, who was diagnosed with cancer five years ago, is going to be ...