MacKinnon, Makar out final 2 regular-season games for Avalanche; Ekman-Larsson won't play for Maple Leafs on Saturday ...

Gray nurse shark pups can grow as much as 11 inches per year, reaching a total length of about 10 feet in their lifetime, according to the aquarium. “To witness the birth of an endangered gray ...

The “surprise” birth of a gray nurse shark in Australia is good news for the endangered predator species. Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen ...