NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

In two recent studies, researchers suggest a weakening ocean current system is to blame for a persistent cold spot in the ...

Looking for a front-row seat to the galaxy? You're in luck, because it's less than 200 miles from Pittsburgh. The big picture: Pennsylvania's own Cherry Springs State Park just landed on Forbes' list ...

Admire our galaxy’s dramatic galactic core—a sparkly bulge of stars and gas—while summer’s short ‘Milky Way season’ lasts ...