Adaptation is essential for survival. Across species, it occurs over many generations through evolution and natural selection ...

Nearly 25 years after its arrival off N.C., the lionfish is now well established as an apex predator. Its ecological damage ...

One type of seabird has an unstoppable defense: stomach oil that can be shot at predators, causing them to drown.

Armed with poisonous spines, a voracious appetite, lack of predators, and an ability to quickly reproduce, the lionfish has come and conquered.