A top Ukrainian army officer says a "full-scale invasion" of his country is under way, as one U.S. official says up to 1,000 Russian troops have crossed the border and NATO satellite images "show Russian troops."
When a disaster of a mega-proportion hits a city - from a terror attack to a hurricane - there are procedures in place to deal with the aftermath. Suggest that the source of a serious humanitarian crisis could lie in outer space, however, and many will assume you are talking science fiction.
You've been trying forever to get that elusive six-pack: the holy grail of fitness goals. None of the gizmos and doodads advertised online or on TV have worked, so you figure it's time to sign up for that 30-minute abs class at the gym.
The boundary between Tennessee and North Carolina might be one of the loveliest border crossings ever: It's the crest of the Great Smoky Mountains National Park. Hikers on the Appalachian Trail walk the line between the two states for most of the trail's path through the park.