NASA said CDG-2 “may be among the most heavily dark matter-dominated galaxies ever discovered” ...

Spring skies reveal some of the best galaxies visible to backyard telescopes.

Humanity has always been fascinated by space. We are able to see the universe with breathtaking clarity because of NASA's ...

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding ...

A strange, starless object is forcing astronomers to rethink how galaxies are born. Using the Hubble Space Telescope, NASA scientists have identified a massive cloud of dark matter and gas that looks ...

Astronomers using the James Webb Space Telescope have spotted the most distant “jellyfish galaxy” ever seen — a cosmic oddity ...

A galaxy whose light set out when Tyrannosaurus rex had just died out has been captured in striking detail by the James Webb Space Telescope. Two instruments aboard the NASA/ESA/CSA observatory have ...

NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside ...

A new image from the James Webb Space Telescope by NASA gives a glimpse into a black hole within the Circinus Galaxy. The Circinus Galaxy is 13 million light-years from Earth. NASA said it’s long been ...

Light released by a distant star does not simply wink out after crossing some threshold of space. In a vacuum, photons keep moving indefinitely, and astronomers routinely detect light that has ...