Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

The time had come to open the envelope, but Stephan Schlamminger, a physicist at the National Institute of Standards and ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

After a 10-year effort, physicists got a value for “Big G” that does not settle the debate over one of nature’s hardest ...

Physicists have used the Atacama Cosmology Telescope to prove that gravity follows the rules of Newton and Einstein across ...