Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

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 ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists believe it is a “failed galaxy,” a leftover building block from the early ...

As of Wednesday afternoon, the engineers had not yet isolated the fault. The trouble has been traced to one of the telescope’s channels that handles observations in the ultraviolet and visible-light ...

The cluster can offer fresh insights into how stars of all sizes form and evolve. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Star clusters ...

This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud. The Large Magellanic Cloud is a dwarf galaxy ...

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 ...

Hubble Space Telescope has observed an infant star unleashing a jet of superheated gas stretching an incredible 32 ...