President-elect Trump announces ExxonMobil's Rex Tillerson as his nominee to be secretary of state, calling him an "international deal maker."
Dozens of slinky, ferocious and rare black-footed ferrets are making new homes in Colorado, one year after they were released at a wildlife refuge.
John Glenn, who became the first U.S. astronaut to orbit the Earth and the longest-serving senator from Ohio, died December 8 at age 95.
Iowa Governor Terry Branstad is President-elect Trump's pick as U.S. ambassador to China. Branstad has known Chinese President Xi Jinping for 30 years.
Scientists in the U.S. have hacked a plant's genes to make it use sunlight more efficiently, a breakthrough that could increase the amount of food grown.
Apple Corporation is marking World AIDS Day by giving more than 400 of its stores a makeover in red and raising money to fight AIDS in Africa.
Thousands of immigrants passed through Ellis Island before starting new lives in the U.S. Learn about a community that once flourished in Lower Manhattan.
NASA astronaut Peggy Whitson just became the oldest woman in space, adding to her long list of barrier-breaking records.
Over 300 U.S. businesses, many from the Fortune 500, signed a statement renewing private-sector support for the Paris agreement on climate change.