Distant quasars may hold the key to spotting elusive gravitational waves—and revealing hidden dimensions of the universe.

May — month of the dawn chorus — is the perfect time to immerse yourself in melody. Not only are male birds proclaiming ...

A key prosecutor on the classified documents case against President Donald Trump invoked his Fifth Amendment right against ...

JEFFERSON CITY, Mo. (AP) — Six months after Missouri voters approved an abortion-rights amendment, Republican state lawmakers on Wednesday approved a new referendum that would seek the amendment’s ...