SEATTLE — Seattleites spotted a mysterious black ring over downtown over the weekend, prompting speculation over its origin.

The black hole examined by the team is no small cosmic object. It is more than a billion times the mass of our Sun. Despite ...

Sgr A*, in turn, is dwarfed by some supermassive black holes detected in other large galaxies such as one with a mass 6.5 billion times greater than that of the sun in a galaxy called Messier 87. That ...

He says he tried to capture the third black object but it “suddenly disappeared.” In the video, it is dusk, and the object appears very dark against the clouds. There were two videos submitted ...

Here's a look at what people have spotted in the skies above Florida. The black object above Green Cove Springs, located south of Jacksonville, March 22 was spotted by several people, with posts ...

The James Webb Space Telescope has given us a view of the earliest moments of galaxy formation in the universe. It's also ...