WASHINGTON— In a long-awaited victory for sharks across the globe, the Shark Fin Sales Elimination Act passed the U.S. Senate Thursday night by a vote of 83-11 as part of the National Defense Authorization Act (H.R. 7776). This critical measure prohibits the commercial trade of shark fins and...

Flying back and forth over Cape Cod Bay, a survey plane spotted a half dozen of the world’s rarest creatures: North Atlantic right whales. Such sightings are good news. The species hovers near extinction—by one estimate, fewer than 360 remain. Each time researchers locate a whale, they take pictures...