It’s often said that the ocean releases them from the constraints of life on land. It’s actually the opposite.

For one group of tiny crustaceans, the species whose males invest most heavily in sex disappear ten times faster.

After losing an unnecessary gene millions of years ago, marine mammals are now uniquely vulnerable to pesticides that have only existed for a century.

A diminutive new species, only six feet long, fills an important gap in the origin story of the famed T. rex.

Especially in remote areas, dead whales often go unnoticed until it’s too late to know what went wrong.