A new photo from NASA's Hubble Space Telescope shows two star clusters that appear to be in the early stages of merging. The colliding clusters are 170,000 light-years away in the Large Magellanic ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode. ESO/L.

The cosmos has delivered a rare kind of fireworks display, and astronomers are racing to understand what it means. A strange double flash from a distant galaxy appears to show two neutron stars ...

Physicists at Goethe University in Frankfurt, Germany, have used supercomputer simulations to predict a specific gravitational-wave fingerprint that would confirm quark-gluon plasma forms inside the ...