The Busy Beaver Challenge, a notoriously difficult question in theoretical computer science, is now producing answers so ...

A new study addresses a foundational problem in the theory of driven quantum matter by extending the Středa formula to ...

Rudolph Giuliani, the former New York City mayor, federal prosecutor and legal adviser to Donald Trump, was disbarred in the state on Tuesday after a court found he repeatedly made false statements ...

President Donald Trump’s approval rating improved in two polls and fell in another this week—as Americans’ feelings about his use of the National Guard to tamp down on crime in large U.S. cities are ...