Ash trees across North America have been falling by the million to an invasive beetle from China, the emerald ash borer. Now scientists in New Hampshire and elsewhere are introducing another bug from China in a last-ditch effort to save some ash trees.
A major new report finds our feathered friends in trouble, but also finds a few success stories taking wing.
The nursery-web spiders of northeastern Connecticut offer surprising insights into how the cougars are saving the aspen buds in Zion Canyon.
Researchers find some birds have high concentrations of a neural hormone which may be the reason why they flock together.
One scientist sniffs out a smelly insect repellant naturally given off by birds.