Two decades ago, the mathematician Moon Duchin spent her summers teaching geometry at Mathcamp, a program for mathematically talented teens. Campers contemplated notions such as how to prove whether a ...

The president-elect reiterated his promise of expedited environmental reviews for investors. President-elect Donald Trump on Tuesday doubled down on his pledge to expedite environmental reviews for ...

The head of the Houthi-run Supreme Political Council, Mahdi al-Mashat, threatened further escalation against the United States in response to intensified airstrikes on Houthi strongholds in Yemen and ...