Learn about the breakup and bright outbursts of comet K1, caught by the Hubble Space Telescope on accident.

Images of the same colorful nebulae 25 years apart are a key example of why the Hubble Space Telescope's longevity matters ...

NASA’s Hubble Space Telescope revisits the Crab Nebula, showing the movement of filaments and changes in gas composition over ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy.

Add Yahoo as a preferred source to see more of our stories on Google. Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

Images were captured by the Hubble Space Telescope, which was meant to be observing a different comet ...

As of Wednesday afternoon, the engineers had not yet isolated the fault. The trouble has been traced to one of the telescope’s channels that handles observations in the ultraviolet and visible-light ...

CAPE CANAVERAL, Fla. -- A pair of spacewalking astronauts overpowered a stubborn bolt and installed a new piano-sized camera in the Hubble Space Telescope on Thursday, the first step to making the ...

CAPE CANAVERAL, Fla. — Spacewalking astronauts gave the Hubble Space Telescope a more commanding view of the cosmos by installing a new high-tech instrument Saturday, then pulled off their toughest ...