Spacewalking astronauts successfully replaced the Hubble Space Telescope's main camera, which has taken many of the telescope's most famous images, after wrestling with a stubborn bolt that refused to ...

Jubilant astronomers today unveiled humankind’s most spectacular views of the universe, as captured by the NASA Hubble Space Telescope’s new Advanced Camera for Surveys (ACS). They also reported that ...

First motion is almost always a big event in the world of space exploration. Whether the first motion is of a wheel beginning to rotate or a rocket lifting off the pad, first motion means things are ...

In a cosmic spectacle that has astronomers buzzing, the interstellar comet 3I/ATLAS streaks through our solar system, its highly unusual tail captured in fresh Hubble images. This third confirmed ...

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 ...

Imagine a window opening onto the universe, a window affording views unparalleled in history and offering glimpses of thousands of spinning galaxies and luminous, exploding stars. For a brief time, UW ...

HOUSTON (Reuters) - A pair of spacewalking astronauts on Thursday outfitted the Hubble Space Telescope with a new camera that will allow astronomers to turn their gaze closer to the birth of the ...