Astrophysicists are turning the universe’s dying stars into laboratories for one of physics’ most elusive ideas, the axion.

Scientists just found something wild — a kind of cosmic tunnel leading out of our Solar System. It’s not a spaceship tunnel, but a real gap in hot plasma that surrounds us like a bubble. This “channel ...

The New Year's Eve ball drop in New York City will sparkle in red, white, and blue to kick off celebrations for the U.S.'s ...

Follow Orion’s three belt stars southeast (down and to the left) to Sirius in Canis Major, the brightest star in the sky.