More than 100 years after its existence was predicted, scientists report that they have, for the first time, seen dark matter ...

Research published Tuesday by a Japanese astrophysicist says gamma rays may have been generated by the collision of dark ...

Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this ...

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...

A new study claims to show evidence of gamma-ray emissions that closely resemble those expected from two weakly interacting ...

If findings are correct, astronomer Tomonori Totani told Newsweek, this may finally solve "the greatest mystery in cosmology.

A researcher identified gamma ray emissions that appear to have originated from dark matter, but other physicists still ...

Learn how a newly detected gamma-ray halo in the Milky Way could mark the first direct glimpse of dark matter.

Scientists have detected an unusual gamma-ray halo around our Milky Way galaxy. This signal, observed by NASA's Fermi telescope, has a specific energy ...

The new study reports the detection of a mysterious halo-like glow of gamma rays around the Milky Way, peaking sharply at ...

NASA's Fermi telescope may have detected the first direct hint of dark matter, observing an unusual gamma-ray glow near the ...

For over a decade, a dim but persistent glow near the center of the Milky Way has confused astronomers, shining in ...