Little progress had been made in solving Ramsey problems since the 1930s. Now, researchers have found the answer to r(4,t), a longstanding Ramsey problem that has perplexed the math world for decades.

Stakeholders don’t fund speed on its own. They fund impact they can verify, delivered on a timeline they can defend.

This is the 41st class of outstanding high school graduates honored by The Detroit News.

Mark Kelly (D-AZ) and Ted Budd (R-NC), on Monday expressed concerns about a report by CBS News that Pakistan had sheltered ...