The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

For the first time, researchers have found evidence that even microquasars with low-mass stars can efficiently accelerate ...

Black holes are profoundly dense. If Earth was (hypothetically ... called the event horizon, isn't coming back. That includes light. "This would be the closest thing we know of around any black ...

The 2020s have already seen many lunar landing attempts, although several landing craft have crashed or toppled over. With ...

Space is already filled with plenty of mysteries, and black holes may be among the strangest. Here are some of the questions ...

In 2018, a black hole called 1ES 1927+654, located about 270 million light-years away from Earth, showed its first signs of mysterious behavior. Its corona—the billion-degree cloud of plasma tha ...

"Little red dot" galaxies discovered by the James Webb Space Telescope in the early cosmos appear to be ruled by supermassive black holes that are 1,000 times too massive.

Astronomers are grappling with a complex cosmic mystery lurking at the dark heart of a distant galaxy some 270 million light-years from Earth ... of how black holes feast on matter throughout ...

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase ... monitored in real time for a supermassive black hole. Imaging also clearly shows a pair of oppositely ...

Collaboration published the first image of a black hole, of M87* from the center of the galaxy M87. The measurement data on which the image was based was obtained in 2017. The EHT Collaboration has ...