Storms swell Iguazu falls to near decade-high flow

Heavy rains have swollen the famed Iguazu waterfalls on the border between Argentina and Brazil to near decade-high water volumes this week, authorities said, as flooding engulfed one of the site's main tourist walkways.

New urgency in fight to restore Florida Everglades

Rising seas, polluted coastlines and the specter of more frequent droughts and storms have lent new urgency to efforts to restore the ecosystem of the Florida Everglades, the largest freshwater wetland in the United States.

The strange case of the scuba-diving fly

More than a century ago, American writer Mark Twain observed a curious phenomenon at Mono Lake, just to the east of Yosemite National Park: enormous numbers of small flies would crawl underwater to forage and lay eggs, but ...

Gateway towns to Yellowstone become dead ends after flood

This gateway town to Yellowstone National Park has become a dead end, a casualty of the severe flooding that tore through one of America's most beloved natural attractions and swept away roads, bridges and homes.

Biologists on the trail of 'brain-eating amoebae'

MBARI researchers are used to braving gusty winds and choppy seas as they test their high-tech equipment in Monterey Bay. But a recent field experiment in Yellowstone National Park saw MBARI researchers Kevan Yamahara and ...

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