Wildfires launch microbes into the air. How big of a health risk is that?

As climate change brings more wildfires to the western United States, a rare fungal infection has also been on the rise. Valley fever is up more than sixfold in Arizona…

Corals’ hidden genetic diversity corresponds to distinct lifestyles

Stony corals that build reefs have been hiding their diversity in plain sight. A genetic analysis of the most widespread reef coral in the Indo-Pacific revealed that rather than being…

These are the 5 costliest invasive species, causing billions in damages

Invasive species can wreak havoc on local ecosystems. Cleaning up that biological wreckage comes at a big price. These invaders, often thrust into new environments unintentionally (or intentionally, to combat…

Weather radar shows 30 metric tons of grasshoppers swarmed Las Vegas one night

The dazzling lights of Las Vegas are meant to attract. And on one summer night, they did just that, luring millions of grasshoppers— a whopping 30.2 metric tons’ worth. That…

How kelp forests off California are responding to an urchin takeover

Joshua Smith has been diving in kelp forests in Monterey Bay along the central coast of California since 2012. Back then, he says, things looked very different. Being underwater was…

Simple hand-built structures can help streams survive wildfires and drought

Wearing waders and work gloves, three dozen employees from the U.S. Department of Agriculture’s Natural Resources Conservation Service stood at a small creek amid the dry sagebrush of southeastern Idaho.…