Nichole Grady

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...

King penguins, the second-largest penguin species, typically sport a distinct black-and-white coat with a yellowish-gold dash of color on their collar.  However, one young pengu...

Madagascar, an island off the coast of Africa, is home to some of the world's most exciting and unique animal species — about 75 percent of which cannot be found anywhere else o...

The severe winter storm that pummeled parts of Washington, D.C. with as much as six inches of snow on February 20, 2019 had most residents scrambling for the safety and warmth o...