Some beaches in the northeastern United States are dealing with more than the threat of COVID-19 this holiday weekend. They have to contend with an unwelcome visitor: the Lion's Mane jellyfish.
Southern resident killer whales made their first appearance in the Salish Sea on Canada Day after more than two months with only a brief sighting off the west coast of Vancouver Island.
A beluga whale was spotted Friday off San Diego -- the farthest south the species has been documented on the West Coast, the National Oceanic and Atmospheric Administration confirmed.
Female Stellar sea lion found dead on the beach, partially scavenged by eagles.
The Arctic Sounder - Serving the Northwest Arctic and the North Slope