Evolutionary arms 'chase'

In nature, plants engage in a never-ending battle to avoid being eaten. Unable to run away, plant species have evolved defenses to deter herbivores; they have spines, produce nasty chemicals, or grow tough leaves that are ...

Anemonefish dads further fathering research

Like the father in "Finding Nemo," anemonefish dads will do almost anything to support their offspring. Their parenting instincts are so strong that if you give a bachelor anemonefish a scoop of anemonefish eggs from an unrelated ...

EPA reverses course on safety of pesticide used on crops

The Trump administration won't ban a common pesticide used on food, reversing efforts by the Obama administration to bar the chemical based on findings it could hinder development of children's brains.

Cyber warriors see politics muddying security efforts

President Donald Trump has vowed to improve cyber attack defense, but security experts meeting this week say a fractious domestic and international political landscape could hamstring efforts to improve internet security.

Judge asked to lift hold on Yellowstone dam and protect fish

U.S. officials are pressing a federal judge to lift his 2015 order blocking a proposed irrigation dam and fish passage on the Yellowstone River, warning that a rapidly-disappearing, ancient fish species faces a grim future ...

China aircraft carrier capabilities tested on latest mission

China's sole aircraft carrier has returned home following a far-ranging three-week training mission during which its combat capabilities were closely scrutinized and speculation soared over what future role the flat-top will ...

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