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Theoretical physicist Sean Carroll joins us to discuss his recent book "The Particle at the End of the Universe."

A dramatic video of the incident shows the man suddenly rushing at the former USA gymnastics doctor during Nassar's third sentencing hearing. The man's three daughters say they were abused by Nassar.

The move on Monday of the U.S. Embassy from Tel Aviv to Jerusalem endorses Israel's view of the city — where it has reshaped the map to solidify its hold.

By comparing the light from anti-atoms with the light from regular atoms, they hope to answer one of the big mysteries of our universe: Why is there so much regular old matter and not much antimatter?

The move on Monday of the U.S. embassy from Tel Aviv to Jerusalem endorses Israel's view of the city — where it has reshaped the map to solidify its hold.

In 1964, a program that brought migrant Mexican laborers to the U.S. ended. So the U.S. recruited American students to pick crops instead. When they saw their living conditions, strikes ensued.

Student-led demonstrations calling for an end to gun violence gained traction after the shooting at a Parkland, Fla. high school. As the year ends, here's a look at how the movement has gone.

This is the latest study to find that arthroscopic surgery doesn't reduce pain for people with knee arthritis, and can cause other problems. The procedure remains popular in the U.S.

Scientists have been analyzing bones first uncovered by a utility crew digging at the Manassas National Battlefield Park in Virginia. The remains provide insights into surgery during the Civil War.

Fifteen states allow corporal punishment in school. Another seven don't prohibit it. Curious if you live in one of them? We built a map.