The capacity to produce light has evolved many different times and serves many functions in different species — defense, warning, communication, attraction, camouflage, mimicry, illumination (as listed by one reference).

On a field trip with Northwest Indian College Geology class to Chuckanut Drive saw water with apparent difference in color.

Kachemak Bay has witnessed massive die-offs of sea stars, murres and razor clams. Whats going on?

Dolphin beaching in Sodwana Bay, South Africa

Koyuk River foze solid by Oct-14 by the 28th there was open water.

Sea ice is here and then disapears.

Special report: A huge disruption to California's coastal ecosystem is under way after several years of unusually warm ocean conditions and drought.

The 'blob' caused it this time around. But oceans will keep getting warmer in the future.

Fishing for pinks has been really up and down the last few years. In 2014 the catch was really low, and then 2015 it was amazing with more than we had ever seen before. This year's pink salmon return again, was really bad.