The eastern tropical Pacific Ocean is known for its large low-oxygen zones that are increasing in size, putting marine life at risk. New research shows that 15 million years ago, the opposite was true ...

Bivalves, such as clams, oysters and mussels, record seasonal environmental changes in their shells, making them living chronicles of climate history. A new study of bivalve shells has detected two ...

There was nothing outwardly impressive about the clam sitting on the deck of the research vessel Bjarni Saemundsson. The dull, gray creature, dredged from the muddy bottom of the North Atlantic, was ...

During the last ice age, the Atlantic Ocean's powerful current system remained active and continued to transport warm, salty water from the tropics to the North Atlantic despite extensive ice cover ...

Quahog clams provide evidence that critical North Atlantic Ocean currents may be approaching a “tipping point,” researchers said. Mehdi Benkaci Unsplash Just as tree rings can tell us how old a tree ...

AMES, Iowa – Two Iowa State University graduate students are just back from the Gulf of Maine with another big catch of clam shells. Shelly Griffin and Madelyn Mette recently boarded a lobster boat, ...

This week’s low midafternoon tides provided excellent beachcombing conditions around lunchtime. I found a variety of treasures, including pen shells, pear whelks, and hundreds of Atlantic cockles.

AMES, Iowa – Alan Wanamaker, working as a postdoctoral researcher from 2007 to 2009, was charged with beginning to compile a 1,000-year record of the marine climate for a spot in the North Atlantic ...