Rapid changes underway in the Arctic affect the region’s people and wildlife, and the entire planet.

The eclipse will allow scientists to get rare measurements of the Sun’s atmosphere.

Feral hogs are one of the most destructive invasive species in North America, harming land, crops and wildlife.

The early heat melted snow and warmed rivers, heating up the land and downstream ocean areas. The effects harmed salmon fisheries, melted sea ice and fueled widespread fires.

How will Earth’s vast boreal forests look in a warmer world? Combining satellite-based research with fieldwork shows that the planet’s largest wilderness may be changing in unexpected ways.

So much pollution goes into the air today that even without wildfire smoke, 99% of the global population breathes unhealthy air.

New research shows that the genetic structure of the French Canadian population was encoded within its genealogy.