The ocean is full of unusual animals, but few catch people off guard quite like the mola mola. It’s a massive, slow-moving disk of a fish with fins that seem placed almost at random, and it drifts ...

Species across the planet are on the move. Climate change has already caused more than 12,000 species to shift their homes across land, freshwater and the sea. They move to escape unfavorable ...

The open ocean’s twilight zone, a vast deep ecosystem rich in fish biomass, is poorly understood because it is expensive and challenging for humans to reach its depths 200–1000 meters (660–3,280 feet) ...