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

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

Balaji and co-authors went looking for an alternative. They also noted the frequent detection of 511 electron volt (eV) gamma ...

This is what makes observations of the galactic center so exciting, even though we’ve stared at this spot in the sky for decades now.” When the authors of the latest study observed the two ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

A team of Harvard astrophysicists discovered a supermassive black hole at the center of the Large Magellanic Cloud, the Milky ...