Today, scientists restarted the twin detectors of LIGO, the Laser Interferometer Gravitational-wave Observatory, after making several improvements to the system. Over the last year, they have made enhancements to LIGO's lasers, electronics, and optics that have increased the observatory's sensitivity by 10 to 25 percent. The detectors, scientists hope, will now be able to tune in to gravitational waves - and the extreme events from which they arise - that emanate from farther out in the universe. Read more
Einstein's gravitational waves 'seen' from black holes
Scientists are claiming a stunning discovery in their quest to fully understand gravity. They have observed the warping of space-time generated by the collision of two black holes more than a billion light-years from Earth. The international team says the first detection of these gravitational waves will usher in a new era for astronomy. Read more
Gravitational wave detection: how binary stars turn into tight pairs of massive black holes
The Advanced LIGO team has just announced the direct detection of gravitational waves, a major milestone in the history of science that confirms one of Einstein's predictions and opens a new window into the near and far Universe. Read more
Astronomers anticipate major announcement from Gravitational Wave Observatory
Exactly 100 years after Einstein predicted that accelerating masses emit an invisible radiation that makes ripples in space-time, an international team led by US scientists are poised to make a major announcement concerning their search for these elusive "gravitational waves". The results are eagerly anticipated by astronomers all over the world. Read more