Astronauts are preparing to rendezvous one last time to refurbish and reboost the venerable Hubble Space Telescope Its a dangerous mission so why is Hubble worth the risk Hubble has been the key ...

The name "blue lurker" might sound like a villainous character from a superhero movie. But it is a rare class of star that NASA's Hubble Space Telescope explored by looking deeply into the open ...

In this NASA/ESA Hubble Space Telescope image, Hubble once again lifts the veil on a famous — and frequently photographed — supernova remnant: the Veil Nebula. ESA/Hubble & NASA, R.

NASA's Hubble Space Telescope managed to capture an incredible image of a galaxy that looks an awful lot like a bullseye. "This was a serendipitous discovery," said Imad Pasha, the lead researcher ...

Hubble and its fellow observatories give us an unprecedented, crystal-clear look at the far reaches of the cosmos. Explore these orbiting pioneers and learn what they've discovered. 3 min read The ...

Hubble's contemporary ... realized that the expansion rate could be run back into time—like rewinding a movie—until the universe was unimaginably small, hot and dense. It wasn't until 1949 ...

NASA's Hubble Space Telescope has captured a cosmic bullseye. The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an "arrow"—a far smaller blue dwarf galaxy—shot ...

The water ripples out from where the bird breaks the surface. The Hubble Space Telescope is helping scientists unravel the history of the two galaxies and the results of their cosmic meetup.