The chances of intelligent life emerging in our universe—and in any hypothetical ones beyond it—can be estimated by a new ...

A novel theoretical model based on universal expansion and star formation suggests that our universe might not have the ...

An elusive particle that first formed in the hot, dense maelstrom of the early universe has puzzled physicists for decades.

This incompatibility, while not yet definitive, has stirred up major questions about the validity of Einstein’s ...