A New Catalog of Stellar Rotation Periods for over a Million Stars

Exoplanet K2-18b made headlines when researchers reported that observations were consistent with a habitable ocean world

Black holes as the source of dark energy

Event Horizon Telescope Traces Magnetic Fields Around a Black Hole

Hubble observations of interstellar space, scientists have picked out evidence of a celebrity molecule: ionized Buckminsterfullerene, or buckyballs.

Growing Black Holes Within Accretion Disks