The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

NASA Scientists discover a fast-moving star and planetary system moving double our solar system speed through the Milky Way.

ASTRONOMERS may have just found the fastest exoplanet system in the galaxy – a super-Neptune world orbiting a hypervelocity ...

The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

A decade ago, physicists using twin detectors in Washington State and Louisiana detected gravitational waves—subtle ripples ...