Loss of land-based vertebrates is accelerating, study finds

In 2015, Stanford biologist Paul Ehrlich coauthored a study declaring the world's sixth mass extinction was underway. Five years later, Ehrlich and colleagues at other institutions have a grim update: the extinction rate ...

Escalating arms race: Predatory sea urchins drive evolution

(Phys.org) -- Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in the prey species.

Floating tsunami trash to be a decades-long headache

The tsunami that ravaged northeast Japan in March 2011 created the biggest single dumping of rubbish, sweeping some five million tonnes of shattered buildings, cars, household goods and other rubble into the sea.

Why endangered species matter

The Endangered Species Act (ESA) was established in 1973 to protect "imperiled species and the ecosystems upon which they depend" and help them recover.

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