Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation emanating from the ...

A potential dark galaxy — one made primarily of dark matter — may have been spotted in the local universe. Dark galaxies are theoretical, starless systems whose discovery could help astronomers better ...

Researchers may have identified what could be a compelling clue in the ongoing hunt to prove the existence of dark matter. A mysterious diffuse glow of gamma rays near the center of the Milky Way has ...

The century-old enigma of dark matter, this invisible substance thought to hold galaxies together, has just received a ...

An invisible halo of misaligned dark matter could explain the warps at the Milky Way's edges. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

The Milky Way is really something to see — but not this month, when it’s at the level of the horizon before midnight. (The Columbian files) Stargazers accustomed to scanning the Milky Way galaxy may ...

A clear, dark sky tonight is an invitation to appreciate the Milky Way, the great band of light that is our home galaxy. See the intense brush stroke of stars and lit cosmic dust and gas sweeping ...