On September 14, 2015, humanity crossed a cosmic threshold. LIGO detected gravitational waves - ripples in spacetime ...

For generations, humans have gazed at the stars and wondered about the ultimate fate of the universe. Will it expand forever ...

Vatican Observatory Summer School welcomes students from 21 nations to explore the universe with JWST, igniting passion for ...

Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

Astronomers from the University of New Mexico, along with U.S. and international researchers, have confirmed the existence of ...

"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

Professors at Penn State helped develop the world's most powerful survey telescope, which released its first images earlier ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Chile's ALMA observatory, which houses some of the world's most powerful telescopes, has captured its most detailed images to ...

Time-domain astronomy is the study of how astronomical objects change with time. Changes may be due to movement or physical changes in the object itself. Examples include pulsar variability, and ...