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 ...

X-ray observations of the cluster revealed that it is made up of two galaxy clusters merging along our line of sight.

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 ...

This NASA Hubble Space Telescope image features a galaxy cluster called CL0016+1609, or MACS J0018.5+1626, that is very ...

CAPE CANAVERAL, March 7 -- Spacewalking astronauts equipped the Hubble Space Telescope with a new set of digital eyes today, a $75 million camera expected to extend the observatory's reach to within a ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Listen 3:14 A high-tech camera 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 ...

A new image captured by the Hubble Space Telescope shows the Messier 88 (M88) galaxy, also known as NGC 4501, in all of its ...

Engineers are troubleshooting a second failure of the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope, after an apparent electrical short tripped a fuse in the backup power-feed, but ...

Astronomers studying the most distant and rarest objects in the universe have long been constrained by a simple problem: the ...