Mockingbirds exposed to sub-lethal levels of lead in urban areas display significantly heightened aggression, said Morris Animal Foundation-funded researchers at Tulane University. 

Arctic sea ice is now declining at a rate of 12.8 percent per decade – 2012 had the lowest amount of summer ice on record. 

Two UBC Okanagan biologists, who have publicly solicited images of wild cats for their research, say telling the difference between a bobcat or a lynx can be difficult.

New research from Case Western Reserve University in how dragonflies may adapt their wing color to temperature differences might explain color variation in other animals, from lions to birds.

A rapid rise in temperature on ancient Earth triggered a climate response that may have prolonged the warming for many thousands of years, according to scientists.

Research finds that corals emit an enticing fluorescent green light that attracts mobile microalgae.

The population of Antarctic krill, the favourite food of many whales, penguins, fish and seals, shifted southward during a recent period of warming in their key habitat, new research shows.

Alpine glaciers have existed in North America for thousands of years.

Far below the ocean floor, sediments are teeming with bizarre zombie-like microbes.

Declines in native bee populations are widely reported, but can existing data really analyze these trends?