Researchers said they had discovered a new line of mosasaur, a giant sea-dwelling creature that lived alongside the dinosaurs. Its name, Jormungandr walhallaensis, draws on Norse mythology.
The photographer Sutton Lynch is documenting a dramatic turning point off the coast of Long Island — a resurgence of sea life after decades of depletion.
The effects of a summer of environmental catastrophes were felt everywhere in Canada, from its vast boreal forests to a river on Vancouver Island once fished by Hollywood royalty.