About 80 of the "cocaine hippos" are to be killed to control the animals, according to Colombian officials.

Too much light at night can disrupt sleep, hormones, and long-term health. Here's how light pollution affects your body and ...

Pablo Escobar's hippos have become a nuisance in Colombia, threatening local species and villagers. The country has now ...

Tropical penguins survive in environments that seem completely incompatible with their cold-adapted relatives, relying on ...

Airborne genetic material can be used to paint a picture of ecosystem health, watch for invasive species and even identify ...

In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: ...