Nina Tomasieski logs on to Twitter before the sun rises. Seated at her dining room table with a nearby TV constantly tuned to Fox News, the 70-year-old grandmother spends up to 14 hours a day tweeting the praises of President …

U.N. officials warn the deadly Ebola virus could be spread by refugees leaving the Democratic Republic of Congo’s North Kivu province. Officials are urging neighboring countries to increase surveillance at border crossings. The number of confirmed cases in Congo’s new outbreak …

Shoes have long since stopped serving only their utilitarian purpose. Over the centuries, shoes have evolved not just to protect feet but also to declare their owners’ social status — and sometimes to be worn as treasured objects of art. …

A new era in American spaceflight was unveiled Friday, with NASA presenting the flight crews that will carry out the first test flights and operational missions aboard commercial spacecraft to be launched from U.S. soil for the first time since …

Honeybees are essential to our food supply, but bee colonies around the world are declining. Among the main culprits are insecticides containing chemicals known as neonicotinoids, which are highly toxic to honeybees. In Europe, where about 80 percent of crops …