Humanity has always been fascinated by space. We are able to see the universe with breathtaking clarity because of NASA's powerful telescopes. Astronomers have been able to take pictures of galaxies ...

A powerful "gamma-ray burst" has been seen exploding from merging neutron stars hidden within a previously unknown mini-galaxy leftover from an ancient cosmic crash. The "collision within a collision" ...

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

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

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 ...

Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.

Astronomers have used the James Webb Space Telescope to peer inside the heart of spiral galaxies, where young stars carve out glowing paths. The space observatory, named after a North Carolina native, ...

Astronomers have uncovered one of the most mysterious galaxies ever found — a dim, ghostly object called CDG-2 that is almost entirely made of dark matter. Located 300 million light-years away in the ...

A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an ...