Researchers suggest powerful bursts from magnetars—collapsed stars with strong magnetic fields—may have contributed up to 10 ...

“Jerry Ostriker was an enormously inventive and astute theoretical astrophysicist who made fundamental contributions across the whole field,” said James Gunn, the Eugene Higgins Professor of ...

SciFi books and films never explain how faster-than-light speed works. Wormholes are one solution, but there are problems.

Physicists have created a model of a black hole bomb in the lab for the first time, verifying a theory first proposed more ...