In Miami, home of the largest Cuban diaspora, two generations faced off on the streets. In Havana, demonstrators spoke of hope.
U.S. intelligence officials claim that North Korea was centrally involved in the hack against Sony. That's major news in the world of cyberwarfare, where nation-states typically make covert attacks.
Polar bears continue to take a hit in regions with the greatest loss of snow and ice, the latest report card on the Arctic shows. Meanwhile, plankton are thriving as the sea heats up.
Iraqi security forces are training with the goal of reclaiming territory lost to the Islamic State. Police at a camp near the front line say such a battle would be personal.
Both Stephen Colbert and Craig Ferguson end their late-night TV shows this week. Colbert is getting a boatload of attention as he moves to succeed David Letterman, but Ferguson deserves some too.
For the Japanese, Christmastime means sponge cake. But a nationwide butter shortage has lead to mandatory butter rationing, forcing cake bakers to seek out substitutes.
With the death of a northern white rhino in San Diego's zoo this week, researchers are working to see whether they can save the species. They'd better hurry — only five remain.
The Islamic State is not believed to be in the Gaza Strip. But a flier in its name was recently sent around the territory. Both Israel and Hamas are trying to use it to their advantage.
Researchers at Johns Hopkins University are revamping the Ebola suit. They've come up with a design that's safer, cooler and easier to take off than the space suits currently in use in West Africa.
Signaling what could be a major shift in U.S. relations with Cuba, Gross, who has been jailed in Cuba for five years, will be released, while the U.S. will release three Cubans.