A small but potentially environmentally threatening crab is expanding its area of influence in Alaska.

It was a sunny afternoon until the sky abruptly darkened, heavy rain came down and winds gusted up to 60 mph. A cruise ship docked downtown broke free of its mooring and drifted into the Gastineau Channel at the height of the storm.

Tick populations are surging in the United States. Binghamton University experts offer tips to avoid tick bites. -

Sitka had an early bloom that led to high shellfish toxins in April, and there is currently a paralytic shellfish toxin advisory across Southeast for recreational and subsistence harvest.

An unusual sighting of Risso's dolphins near Benjamin Island.

Francisella tularensis Subspecies holarctica in Stranded Beluga Whales, Cook Inlet, Alaska, USA

A small pod of Risso's dolphins, typically found in deeper mid-temperate and tropical oceans waters, was spotted near Hoonah and Juneau, Alaska.

A Kachemak Bay water taxi crew had a once-in-a-lifetime walrus sighting.

Before she knew what was happening, a large female killer whale lifted Bloom’s paddleboard up out of the water. “And at that moment it was like terror,” Bloom said.

A Pacific sleeper shark, typically not found onshore, was discovered at Boy Scout Beach with injuries suggesting it was bycatch from local fishing activities, highlighting ongoing concerns about the species' vulnerability to human interactions.

In late March, a local whale biologist spotted something out of place in Sitka Sound. She’s still having a hard time believing it, but pictures suggest an incredibly rare sighting– a juvenile bowhead whale.