Scientists may have uncovered for the first time why taking deep breaths can be so calming.

Staples, the largest U.S. office supplies retailer, is considering selling itself, and is in talks with private-equity bidders, a source familiar with the situation told Reuters. Fred Katayama reports.

Martin E.P. Seligman, professor of psychology at the University of Pennsylvania, suggests how to cultivate a better you.

A study by the Centers for Disease Control and Prevention reinforced evidence that women infected in the first trimester were at greater risk of having babies with birth defects.

Jeffrey Lacker, the president of the Federal Reserve Bank of Richmond for 13 years, resigned abruptly after admitting he previously shared confidential information with a financial firm. He is now being questioned by several law enforcement agencies.

With the administration struggling to gather enough G.O.P. support in the House for a new bill to repeal the Affordable Care Act, party leaders say no action is imminent.