A new theoretical proposal argues that the massive object sitting at the center of our galaxy may not be a black hole at all, but rather a dense clump of fermionic dark matter with no event horizon.

A new theoretical model challenges the long-held belief that Sagittarius A*, the Milky Way’s central object, is a supermassive black hole. Researchers propose it could instead be a dense, horizonless ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers tried to figure out whether asteroid 16 Psyche, which NASA is visiting in 2029, is the remnant of a planet's core.

Parents and citizens have formed activist groups to oppose Utah’s adoption of Common Core education standards, though state officials including the governor and education department spokesmen say ...