We can add an over-abundance of nitrogen to the list of effects that humans are having on Earth's ecosystems. How large will the impact be?

Researchers shed new light on the long-debated extinction of Neanderthals and the cultural and biological evolution of hominin groups during the last Ice Age.

What makes a bee fit to be queen? ASU researchers find that hormones play a role.

Scientists say that in the business of protecting ecosystems, you get what you pay for.

Researchers use a new device to test chemical levels in water with exceptional accuracy.

James Elser will travel to Argentina's alpine region to study the "last unpolluted aquatic ecosystems on Earth."

ASU researchers find widely-used artificial sweeteners have a bitter effect on the environment.

Invasive salt cedar has a detrimental effect on the Southwestern ecosystem. Resource managers are using a beetle to help control this non-native species. But does the beetle have other effects of its own?

Arizona State University’s Leah Gerber looks to bridge the gap between marine mammal conservation and the local communities it affects by working at the intersection of conservation, policy, science and society.

Scientists used to think negative changes in an ecosystem were cause by natural forces alone. Now, a new study suggests that people may also play an important role in the process.