A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Milky Way—The ... by fusion. A white dwarf has a mass comparable to that of the sun but is no larger than the Earth. Asteroid 951 Gaspra Galaxies possibly containing black holes, which can ...

According to NASA, "there are hundreds of them"—massive black holes roaming space. It is now emerging and reshaping the ...

Somewhere in between, humans realized the universe is much larger than our Milky Way — that the spiral nebulas ... "Hubble was so excited about this image that he wrote 'VAR!' on the black and white ...

That hazy white band is made up of stars ... with stars and gas hurtling around the Milky Way’s supermassive black hole, Sagittarius A*. It has a mass more than 4 million times the mass of ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

Black holes themselves emit no light, but the supermassive black holes at the centers of galaxies are often surrounded by huge clouds of material. It's this material, heated by friction and gravity as ...

Scientists discover 2 stars dancing around the Milky Way's black hole — and they could point to a type of planet never seen before —Baby stars that defy explanation are 'swarming like bees ...