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: ...

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 new genetic study reveals that humans started moving pigs across the Pacific as early as 50,000 years ago, reshaping island ecosystems long before modern trade or colonial contact. The findings, ...

All organisms in an ecosystem are interconnected, and any imbalance in this complex relationship can have irreversible consequences for both humans and nonhumans. Numerous examples illustrate how the ...

Over the years, we’ve turned research, anecdotes and everyday experiences into a whole constellation of stories about the way we impact our world. Still, some voices may be missing from the ...

For millions of years, a variety of large herbivores, or megafauna, influenced terrestrial ecosystems. Among many others, these included elephants in Europe, giant wombats in Australia, and ground ...