Climate warming damages DNA of endangered songbirds

Extreme heat waves can cause birds and mammals to die en masse. But it's more common for an animal to experience relatively mild heat stress that doesn't kill it. Our new findings suggest that unfortunately, these individuals ...

More evacuations expected near dangerous Southwest wildfires

Thousands of firefighters battled destructive wildfires in the Southwest as more residents prepared to evacuate Friday into the weekend in northern New Mexico where strong winds and dangerously dry conditions have made the ...

Dwindling water levels of Lake Powell seen from space

After decades of drought, water levels in Lake Powell, the second-largest human-made reservoir in the United States, have shrunk to its lowest level since it was created more than 50 years ago, threatening millions of people ...

page 1 from 7