The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

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 ...

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

Peering deep into the early universe, this picturesque parallel field observation from the Hubble Space Telescope reveals thousands of colorful galaxies swimming in the inky blackness of space. A few ...

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

Such a stunning sight is only temporary—on the broader cosmic scale, that is, surviving for merely tens of thousands of years ...

NASA’s Hubble Space Telescope has made a significant breakthrough in the field of astronomy by refining the age of the ...

The unveiling today of the Hubble Ultra Deep Field, a spectacular new set of images from the Hubble Space Telescope, brings mixed emotions to astronomers at the University of California, Santa Cruz, ...