Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet ...

For decades, scientists have theorized that the Milky Way Galaxy’s supermassive black hole, known as Sagittarius A* (Sgr A*), ...

Scientists scanning the heart of the Milky Way have spotted a tantalizing signal: a possible ultra-fast pulsar spinning every 8.19 milliseconds near Sagittarius A*, the supermassive black hole at our ...

For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

They slip through your skin, your walls, and the whole Earth without leaving a mark. Neutrinos earn the nickname “ghost ...

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.

New radio observations of the Milky Way are exposing hidden patterns in its magnetic field. People have scanned the night sky ...

Massive stars have an outsized influence on their environment and the galaxies they call home. These behemoths have the highest surface temperatures of any normal stars, so they emit copious amounts ...

You've almost certainly seen photos of the Milky Way, usually taken by photographers who travel way out into the middle of nowhere to get them. They're cosmically beautiful, colorful and timeless. Now ...

New research suggests that the heart of the Milky Way may be dominated by a dense clump of dark matter rather than the ...

Astronomers propose that an ultra-dense clump of exotic dark matter could be masquerading as the powerful object thought to ...