Apex predator of the Cambrian likely sought soft over crunchy prey

Biomechanical studies on the arachnid-like front "legs" of an extinct apex predator show that the 2-foot (60 centimeter) marine animal Anomalocaris canadensis was likely much weaker than once assumed. One of the largest animals ...

Coastal species persist on high seas on floating plastic debris

The high seas have been colonized by a surprising number of coastal marine invertebrate species, which can now survive and reproduce in the open ocean, contributing strongly to the floating community composition. This finding ...

Arctic's peak ice cover has shrunk by an area larger than Egypt

Sea ice covered 5.64 million square miles of the Arctic Ocean at the ice's peak extent this year in early March. That's almost 400,000 square miles less than the median coverage level at other March peaks between 1981 and ...

Narwhals' hungry summers as climate warms

Narwhals may not be much good at hunting in summer, according to new research that warns the unicorn-tusked whales may be dangerously reliant on their ice-bound winter habitat that could "disappear" with climate change.

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