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

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

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

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 ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

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

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 ...

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

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 ...

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, ...

This new NASA/ESA/CSA James Webb Space Telescope Picture of the Month features a cosmic creepy-crawly called NGC 6537—the Red ...