Rather than solid arms, spiral galaxies may show density waves—regions where matter slows down and bunches up, like cars in ...

On May 11, 2009, the space shuttle Atlantis launched on the fifth and final servicing mission for the Hubble Space Telescope.

The Hubble Space Telescope captured an amazing view of spiral galaxy NGC 6956. The galaxy is located "214 million light-years ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

David Leckrone's Hubble Ultra Deep Field image reveals a breathtaking view of deep space, filled with vivid colors and a rich blend of stars and cosmic elements. Robert O'Dell captured striking rays ...

An astonishing new claim that we have finally discovered “alien life” has left the space world reeling. The world of ...

Astronomers used the Hubble Space Telescope to image "peculiar" galaxy Arp 184 (NGC 1961) about 190 million light-years away.

Astrophotographer Greg Meyer recently unveiled a stunning image of the Rho Ophiuchi stellar nursery and Messier 4 globular cluster, taken during a Texas stargazing event.