When it comes to fishing, reeling in the biggest one is often the goal. But as it turns out, leaving the largest and oldest fish in the water can help entire fish populations cope better with ocean ...

Warming oceans initially produced more male fish, but the effect reversed - offering hope for species facing climate change.

New research suggests bacteria inside marine fish guts may help produce calcium carbonate, a mineral important to ocean ...

Fish face a new threat — ocean acidification caused by global warming. In a recent study published in Global Change Biology, researchers found that warming waters and acidification could adversely ...

Ocean fish populations have fallen dramatically in the past half-century, and climate change is expected to make the problem worse. Governments have designated “marine protected areas”, where where ...

PORTLAND, Maine — This year’s marine heat waves and spiking ocean temperatures foretell big changes in the future for some of the largest fish in the sea, such as sharks, tunas and swordfish. The ...

Big fish are harder to find in areas sprawling with human activity, unless you're looking in no-take marine reserves, according to a new study led by marine scientists at The University of Western ...

Use of plastic has increased 20-fold in the past half-century; production of the ubiquitous material is expected to double again in the next 20 years (and nearly quadruple over the next 50). And, CNN ...

Industrial activity adds a lot of mercury to the environment and the animals we eat, but how does what's expelled from a coal ...

PORTLAND, Maine — This year’s marine heat waves and spiking ocean temperatures foretell big changes in the future for some of the largest fish in the sea, such as sharks, tunas and swordfish. The ...