Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational ...

Huge eruptions from the Milky Way’s supermassive black hole in the distant past may have sterilized much of the inner galaxy ...

A class of University of Texas astronomy students has discovered that nearby dwarf galaxy Segue-1 seems to host a ...

By Leah CraneA nearby galaxy once thought to be dominated by dark matter seems to have a surprise supermassive black hole at ...

Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars—too few to provide the gravity ...

Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with ...

For the first time, scientists have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287.

A galaxy 2.5 million light-years away can be seen in Massachusetts. The best times to see the Andromeda Galaxy might be in late September and early October. This is when the Andromeda galaxy can be ...

The Milky Way has millions of small black holes and one giant supermassive black hole at its center. But does the galaxy have any medium-sized black holes? New research suggests the answer is yes: ...

Astronomers have witnessed something that no one believed possible: a black hole ripping apart a star not at the center of a galaxy, but far from it. More amazingly, the event’s radio waves pulsed and ...

Something unusual may have risen from the ashes of an epic smashup. In the middle of a galaxy shaped like an infinity symbol — thought to be the result of two galaxies colliding — sits a supermassive ...

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...