The parabolic flight travels up and down several times on a trajectory resembling an arch, providing 22 seconds of zero ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

A new study by researchers at the University of Amsterdam shows how gravitational waves from black holes can be used to ...

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...