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

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from the new galaxy.

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

How fast can solar systems orbit our Milky Way Galaxy? This is what a recent study published in The Astronomical Journal hopes to address as an internation | Space ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...