The speed of vessels operating near endangered killer whales in Washington is the most influential factor — more so than vessel size — in how much noise from the boats reaches the whales.
Testing of samples from marine wildlife during an unprecedented harmful algal bloom on the West Coast in recent months detected indicate potentially widespread effects of the bloom in marine food webs.
Unmanned aerial vehicle allows scientists to study killer whale health and reproduction while also offering a glimpse into the family life of these social animals.
With Chinook salmon facing lethally high stream temperatures, scientists deploy a new device to help manage the dwindling supply of cold water that the fish need to survive.
