A man in glasses looks into a fish tank in which fish of many colors are swimming. Ecotoxicologist Bob Wong studies how fish change when exposed to the antidepressant medication fluoxetine. Credit: ...

People’s knee-jerk reaction to seeing death in nature is often not positive. The burn scar left by wildfire on a ...

If you liked this story, share it with other people. The combined effects of humanity’s actions are making ecosystems less resistant to change, and threatening the vital ecosystem services humanity ...

A grey wolf prowls through Yellowstone National Park near Mammoth Hot Springs in Montana. A group of 66 wolves was reintroduced to Idaho and Yellowstone in the late 1990s. They now total 2,800 ...

We live in an era when human activities are negatively modifying the world at alarming rates. We are experiencing a massive species extinction due to environmental damage caused by human land use ...