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Ants don't show road rage. In fact, some research shows they rarely get into traffic jams and are able to maintain a steady speed even as their numbers swell. Can physics explain it?

The former Daily Show correspondent becomes the only black man to host an entertainment show on late night TV. And he starts on an important occasion; the Martin Luther King Jr. holiday.

With cheerleaders and pompoms, the government is urging people to knock out Ebola by mid-March.

An environmental official says smoking, the traditional method used to preserve pork, is polluting the air. As residents smoke meat in preparation for the Chinese New Year, the smog has increased.

The federal prosecutor was found dead from a gunshot wound, one day before he was to testify about an alleged cover-up after a deadly terrorist bombing at a Jewish center in Argentina.

Detox diets are a hot trend, but scientists say there's really no evidence that they are necessary or helpful. One strategy that does make sense: Cut back on sugar. We tell you why.

Scientists call them "fast radio bursts," or FRBs: mysterious pulses of radio waves coming from far, far away. Researchers in Australia say they've observed one in real time.

The NFL's conference championships featured an instant classic between the Packers and Seahawks, as well as yet another accusation of cheating against the New England Patriots. ESPN's Jane McManus goes over the day's events with Robert Siegel.

Alberto Nisman, the prosecutor investigating Argentinian President Cristina Fernandez de Kirchner, has been found dead. He'd accused Kirchner of covering up Iran's involvement in a 1994 bombing.

Wondering why your local Chipotle is no longer serving pork? It's because a big supplier was housing pigs in confined quarters. But there's debate about whether that's really worse for the animals.