FBI Director James Comey spent hours on the Hill. He explained the law, his agency's investigation and his reasoning at length.
Using gold, silicone and heart cells from a rat, scientists have made a tiny artificial stingray. The engineering involved in propelling it could help make a heart that's more than a mechanical pump.
A misaligned curb in Hayward, Calif., was a popular destination for geology field trips. For decades it had reflected the shift of a major fault in the San Francisco area. But it has lost its appeal.
Recent cases of murder and gang rape have led to new measures boosting security and support for victims of sexual assault. Women's rights advocates say attitudes are what really need to change.
Burger served as chief justice of the Supreme Court from 1969 until 1986. Linda Greenhouse, author of The Burger Court, says those years helped establish the court's conservative legal foundation.
Brown was one of the last surviving "Red Tail" pilots of the famed Tuskegee Airmen. These African-American pilots served in World War II, laying the foundation for integrating the U.S. armed forces.
She's already been to the Olympics twice and been a U.S. champion several times over. But at 31, Day-Monroe knows this may be her last shot at an Olympic medal.
Virginia Governor Terry McAuliffe restored voting rights to more than 200,000 ex-offenders. Now, the state's Republicans are suing the governor, who they say overstepped his authority.
Remember that quiet kid in class who never spoke up? In New York, teachers are learning how to make sure the ideas of introverts don't get overlooked.
Scotland voted strongly to stay in the European Union, while England and Wales led the successful campaign to exit. Now, some Scots want to rerun their 2014 referendum on independence from Britain.