Here are 50 interesting behind-the-scenes facts about iconic '90s TV shows: ...

The new black hole has more than 200 times the mass of our sun – and is challenging theories of how objects form in space ...

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

A team of scientists led by expert Raúl Jiménez, ICREA researcher at the University of Barcelona's Institute of Cosmos ...