EMERALD ISLE, N.C. (WITN) - Beach goers at Emerald Isle are being warned to watch out for Portuguese Man O War along the beach strand. Purple flags are now flying to alert visitors of the potential ...

Beachgoers at Emerald Isle are being cautioned as purple flags will be flying to signal the presence of Portuguese Man O War ...

Nerves look blue in the reconstructed view of a genetically engineered mouse (left) whose neurons produce a fluorescent ...

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...