Can we journey through time? From H.G. Wells' "The Time Machine to The Time Traveler's Wife" by Audrey Niffenegger and "Outlander" by Diana Gabaldon, time travel has captured our imagination for ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

To enjoy the Geminid show, bundle up and venture away from city lights, which can drown out fireballs. The meteor shower will ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

There are dozens of local nonprofit organizations and institutions who have come up with ideas that will make gifts feel ...

SpaceX will provide a livestream of the upcoming launch of its Falcon 9 rocket on a mission to deploy Starlink satellites from California.

There is a way out of this trap, but it requires a fundamental shift in how NASA thinks about astrophysics procurement. It is time to stop buying hardware and start subscribing to outcomes. It is time ...

Several dozen tribal radio stations were caught in the crossfire of federal funding cuts this fall. NPR's Frank Langfitt visited one station in Colorado navigating its survival.