Scientists suspect lightweight dark matter might ionize hydrogen in the Milky Way’s core. This could also explain the 511-keV ...

A mysterious phenomenon at the center of our galaxy could be the result of a different type of dark matter. Dark matter, the ...

For decades, scientists have been chasing one of the universe’s greatest mysteries: dark matter. Thought to make up about 85% ...

There's a new twist in the hunt for dark matter, the invisible substance that makes up 85 percent of all the mass in the ...

Scientists observing the Centaurus galaxy cluster made an exciting breakthrough by discovering powerful streams of hot gas ...

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...

This appears to be the closest supermassive black hole outside our Milky Way galaxy, according to a report that's appearing ...

"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...