Michigan and Pennsylvania join six other states with measles outbreaks. Here's what to know

Today in History: April 18, the 1906 San Francisco earthquake

Records show Gene Hackman's wife researched symptoms of illness days before her death

US measles cases surpass 700 with outbreaks in six states. Here's what to know

Today in History: April 17, the Bay of Pigs Invasion

Over 20 people have died since severe storms and tornadoes hit Kentucky and Missouri overnight. Meteorologists are beginning to survey the damage.

Fossils of the underwater predator shed new light on biodiversity from the Cambrian period.

At least one person was killed in the explosion that damaged the fertility clinic, authorities said. The FBI said the explosion was "intentional act of terrorism."

Powerful storms and tornadoes tore through Midwestern and Southern states overnight Friday, leaving carnage and flattened buildings in their wake.

NPR's Scott Simon reflects on the discovery that what Harvard University thought was a copy of the Magna Carta is actually an original.

Hollywood's plummeting film and TV production levels have studio executives and grassroots groups pushing for better incentives to keep business in California.