A river of stars in the solar neighborhood

Astronomy & Astrophysics publishes the work of researchers from the University of Vienna, who have found a river of stars, a stellar stream in astronomical parlance, covering most of the southern sky. The stream is relatively ...

Astronomers discover giant relic of disrupted Tadpole galaxy

A team of astronomers from Israel, the U.S. and Russia have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million light years away from Earth. ...

Two new ways to measure the gravitational constant

A team of researchers affiliated with several institutions in China and one in Russia has devised two new ways to measure the gravitational constant. In their paper published in the journal Nature, the group describes the ...

Understanding gravity: The nanoscale search for extra dimensions

Often, practical limits control the experimental measurements that can be made, governing the difference between what we expect to be true based on the most likely predictions of models and calculations, and findings that ...

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