Celebrated annually on February 14, Valentine's Day is one of the few holidays that is enjoyed almost worldwide. In the United States, the romantic occasion is observed by excha...

This week's severe winter storm, which dumped record amounts of snow in the Mid-Atlantic and the Northeast, had most residents scrambling for the safety and warmth of their home...

With less than 55,000 grizzly bears left in the wild across North America, the sighting of even one is a cause for celebration. Hence you can only imagine how delighted Cara Cla...

Before astronauts land on Mars, scientists must know everything they can about its inhospitable landscape. While the various exploration vehicles dispatched over the years are p...