Astrophysical Journal

Would Earth look like a habitable planet from afar?

Even when a distant world has the trademarks of habitability—it's Earth-sized, it's in the zone around its star where liquid water is possible—finding signs of life is tricky. The telescope technology ...

Jun 30, 2014
4.3 / 5 (28) 9

Catching a gravitational wave

(Phys.org) —When Albert Einstein proposed the existence of gravitational waves as part of his theory of relativity, he set in train a pursuit for knowledge that continues nearly a century later.

Jun 26, 2014
4.1 / 5 (10) 1

Mysterious X-ray signal intrigues astronomers

(Phys.org) —A mysterious X-ray signal has been found in a detailed study of galaxy clusters using NASA's Chandra X-ray Observatory and ESA's XMM-Newton. One intriguing possibility is that the X-rays are ...

Jun 24, 2014
4.5 / 5 (56) 18

New suspect identified in supernova explosion

(Phys.org) —Supernovas are often thought of as the tremendous explosions that mark the ends of massive stars' lives. While this is true, not all supernovas occur in this fashion. A common supernova class, ...

Jun 04, 2014
4.8 / 5 (6) 0

San Jose State students report major discovery in space

A San Jose State undergrad grieving the loss of his mother shifted his gaze to outer space and made what could prove to be a remarkable discovery: a system of stars so dense, his professor said, astronomy has no word for ...

May 29, 2014
4.5 / 5 (15) 1