Expansion of the universe had already been anticipated by theorists. In the early 1920s, Alexander Friedmann and Georges ...

Astronomers will soon begin a search of 2,800 galaxies for signs of advanced alien civilizations using a radio telescope in ...

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

In around a billion years, the cluster is expected to dissolve entirely, leaving behind only black holes orbiting the Milky ...