Regina Bailey is a science writer, educator, and board-certified registered nurse. Her work has been featured in "Kaplan AP Biology" and "The Internet for Cellular and Molecular Biologists." Biomes ...

Stepping nimbly across the high alpine terrain of Peak 1 recently, I remembered a lesson I learned years ago on a family vacation out West: Step carefully, as what’s underfoot is alive – and fragile.

A week ago Sunday, Arctic sea ice cover reached its lowest extent ever recorded. For good reason, there has been significant media focus on how a warming sea gobbles up the ice that is polar bear ...