Colliding galaxy clusters

Galaxy clusters contain a few to thousands of galaxies and are the largest bound structures in the universe. Most galaxies are members of a cluster. Our Milky Way, for example, is a member of the "Local Group," a set of about ...

LIGO back online, ready for more discoveries

Today (November 30), 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 ...

Tesla, SolarCity get shareholder approval for merger

Tesla Motors got approval from investors to combine with SolarCity Corp. in an effort to expand the market for solar power and give electric car owners new options for solar charging.

New research reveals hundreds of undiscovered black holes

New research by the University of Surrey published today in the journal Monthly Notices of the Royal Astronomical Society has shone light on a globular cluster of stars that could host several hundred black holes, a phenomenon ...

Verizon: telecom giant with big ambitions

Verizon, which agreed Monday to acquire faded internet star Yahoo, grew from its roots as a regional telephone carrier to a top wireless company—with ambitions to be much more.

Fermi telescope poised to pin down gravitational wave sources

On Sept. 14, waves of energy traveling for more than a billion years gently rattled space-time in the vicinity of Earth. The disturbance, produced by a pair of merging black holes, was captured by the Laser Interferometer ...

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