The punishing radiation appears to be causing the planet to shed its atmosphere at a rate of at least 1 trillion grams per second, according to a new study involving NASA 's Chandra X-ray Observatory.

Beachgoers knew something was wrong when they heard a loud boom ring out as a paraglider spun out of control, killing its ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

Nearly 13 years after skydiving from the edge of space, Austrian skydiver Felix Baumgartner has died during a tragic accident ...

Californians could soon be able to see another SpaceX Falcon 9 rocket launching on a Starlink mission. Where are some spots ...

Commercial space offers the United States a once-in-a-generation opportunity to modernize its defense posture, enhance ...

NASA will launch a sounding rocket Friday, July 18 from New Mexico near the Texas border. Here's what to know about the mission.

Extreme athlete Felix Baumgartner, the first skydiver to fall faster than the speed of sound during a 24-mile leap through ...

The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

The universe beyond our Solar System is vast and filled with mysteries, and some of its most fascinating secrets lie just beyond our cosmic doorstep. While the Sun is the closest star to Earth, it's ...

Christian Varady was watching the sky outside his Cantonment home when he saw a color-changing fireball fall into the ...

The Trump administration has called for shutting down either a Tri-Cities, WA, or Louisiana observatory that work in tandem.