Tehran has said there is no way to return to the 2015 deal without the lifting of all U.S. sanctions.

Shares of Twitter are surging on a report that co-founder Jack Dorsey will step down as the company's chief executive. Twitter’s stock, which has consistently underperformed the market, jumped more than 10% at the opening bell Monday before trading...

An FDA advisory committee meets Tuesday to review Merck's Covid oral antiviral pill, molnupiravir, which can lower a person's risk of hospitalization.

A senior at Temple University in Philadelphia was shot dead off campus on Sunday afternoon.

A short history of Giving Tuesday, the international day for giving back.