A spooky bat has been spotted flying over the European Southern Observatory's (ESO's) Paranal site in Chile, right in time ...

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

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

The Richard F Caris Mirror Lab in Tucson is actually attached to the UA football stadium, with some parts being below seats ...

Halloween telescope image reveals bat-shaped stellar nursery where infant stars are born. The cosmic creature spans four full ...

A waxing gibbous moon and the ringed planet Saturn will enlighten our sky for treat-or-treaters this Halloween.

NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.

Credit: ESA/Cover Images A ghostly figure has been caught swooping through the night sky just in time for Halloween.

NASA's Hubble Space Telescope explores the evolution of spiral galaxy UGC 10043 through images taken 23 years apart, in 2000 ...

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

I/ATLAS has just made a strange move around the sun that could prove it has an engine powering its flight through the solar ...