Astronomers have discovered a star being torn apart by a massive black hole more than 1,000 parsecs from the center of its ...

Astronomers have discovered the fastest star in the Milky Way galaxy. They call it S301, and it moves at more than 8% the speed of light, or 56 million miles per hour (25,000 km/s), as it orbits the ...

When we think of supermassive black holes, we usually think of the enormous beasts that lie at the center of galaxies like the Milky Way. But on July 27, 2026, NASA said its Neil Gehrels Swift ...

NASA’s Swift Observatory observed a supermassive black hole ripping apart a star more than 30,000 light-years from the center of a distant galaxy. The extraordinary flare briefly outshone its entire ...

Galaxies are enormous and hold hundreds of billions of stars. These stars form from cold, dense gas. Every large galaxy, including the Milky Way, is wrapped in a huge envelope of gas called the ...