The killer whale is called Chainsaw because his dorsal fin has several large notches in the top third of his fin that gives the appearance of a large saw blade.
North Atlantic right whales are having the species' best season for new babies in several years. The endangered whales are vulnerable to ship strikes and entanglement in fishing gear.
Video captured a fiery spectacle when Italy's Mount Etna volcano, located in eastern Sicily, erupted causing lava to rain from the sky.
Japanese researchers have identified two species of sea slugs that have the ability to detach their own heads from their bodies, move around and grow entirely new bodies.
A small barrel roll gave Washington whale watchers a gender reveal over the weekend and reason to be hopeful about a pod of endangered southern resident orcas that frequent Puget Sound.
Researchers noticed something new when the J, K and L pods were all spotted in the Haro Strait on Tuesday morning: a new calf, L125!
A fish hatchery in Washington state has said it will stop importing steelhead trout from the Columbia River and instead rely on native fish.
Findings of a 13-year study on the diets of southern resident killer whales showed that when Chinook salmon were scarce, the orcas turned to other fish to supplement their diet.
Gray wolves were eradicated in California early in the last century because of their perceived threat to livestock. Their reappearance in the state has riled ranchers, who say wolves have preyed on their livestock on public or private land.
A Republican congressman has proposed removing four hydroelectric dams in the Northwest as part of a sweeping new plan to address the decades-long problem of how to save salmon populations without upending a system that provides power to millions of people.
New regulations for whale watching in Washington waters will take effect in 2021 in an effort to protect endangered orcas, according to the state Fish and Wildlife Commission.
Researchers captured new photos this week of two orca calves off the coast of Victoria, British Columbia.
A long awaited study from local environmental non-profit Long Live The Kings show how much of a trouble spot the Hood Canal Bridge really is for migrating fish trying to get from Hood Canal to the open ocean. But solutions could be quite affordable.
More great news for the southern resident orcas: a J-pod member is pregnant, according to recent reports from a Puget Sound whale watcher who captured photos of the whale on Sunday.
Environmental groups are vowing to continue their fight to remove four dams on the Snake River that they say are killing salmon - a key food source for the endangered southern resident orcas.
For the second time this month, a new southern resident orca calf has been spotted with the J-Pod in the Salish Sea.
Q13's Hana Kim reports.
It's a boy! The newest member of the southern resident orcas' J-pod is a "feisty" one, whale watchers and researchers say.
Rescuers found a puppy sheltering within the charred remains on a property impacted by the Berry Creek fires.
A bittersweet addition for the southern resident orca as J35, Tahlequah gives birth to new calf, J57. The orcas were spotted just off of the San Juan Islands this weekend, not far from their pod.