First record of a gall-forming aphid fighting off predator

A researcher reports evidence of a gall-forming aphid defending itself against predators, a first for the species, Mordwilkoja vagabunda. The insects inject saliva into leaf stalks, inducing the plant to form small growths ...

Tropical spider can hide underwater for 30 minutes

A tropical spider species uses a "film" of air to hide underwater from predators for as long as 30 minutes, according to faculty at Binghamton University, State University of New York.

'Death shadow' dinosaur unearthed in Argentina

Argentine paleontologists have announced the discovery of an apex-predator dinosaur that measured three stories from nose to tail and eviscerated its prey with sharp, curved claws.

The answer to keeping moose populations healthy? Wolves

Predators may keep prey populations healthy by acting as a selective force against genetic diseases. A new study found that wolves select adult moose based on age and osteoarthritis, a chronic disease that can be influenced ...

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