A fast-moving star, possibly with an exoplanet, has been detected in the Milky Way, challenging current astrophysical models.

A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of the Universe.

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

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.

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...