NOVA

Sue the Tyrannosaurus Rex discovered in South Dakota in 1990 was 40 feet long and one of the largest predatory dinosaurs. But a century ago,…

When World War I began 100 years ago, air forces were made up of a few rickety biplanes with opposing pilots occasionally taking pot shots at each other…

The Texas Ebola patient who traveled to the U.S. from Liberia has died. Liberia is among the West African countries suffering from an outbreak of the…

The search for the missing Malaylsia Airlines Flight 370 has resumed six months after its disappearance in what has been described as the greatest mystery…

According to cybersecurity expert Sean McGurk, the greatest threat to the world today is the computer keyboard. In the past, he says, it may have been…

Diseases that were largely eradicated in the U.S. a generation ago are returning - in part because some parents aren’t letting their children get…