By using a deep-sea camera, researchers documented something that's stayed hidden for years. Surveys using trail or water ...

Earth Day is celebrated on April 22. It is meant to be a day to express appreciation for the planet while also raising awareness about the importance of us all doing our part to protect the ...

From Baby Shark to Despacito, here are YouTube's most watched videos as site turns 20 - Nursery rhymes and Ed Sheeran? Just ...