Updated: 56 min 2 sec ago
The report says that logging in the area may have played a role.
Canada's Heiltsuk people discover more grizzlies living in their midst than they thought.
The CDC, NIH, and FDA have mishandled hazardous materials, but they aren't alone.
In rebel-held Ukraine, the fighters searching for bodies are adamant Ukraine is to blame for the downing of Malaysia Airlines Flight 17.
Citizens of Gaza have long used tunnels as economic lifelines. Now Hamas is using them to attack Israel.
As summer wildfires burn a million acres in the U.S. Pacific Northwest, some of the wild animals that live there have evolved to cope with—and even thrive after—the flames.
In a hail of wood chips and sawdust, beefy woodsmen at the U.S. lumberjacking championships show that experience matters in the "original extreme sport."
A 1967 expedition to the top of Denali (Mount McKinley), America's highest peak, turned tragic when seven members of a 12-man team lost their lives in a storm.
This month many of the 1.6 billion Muslims worldwide will celebrate Ramadan with fasting and prayer.
It's mostly treated wastewater. The rapids aren't much. But a $1 billion restoration offers hope for the river's future.
The loss of at least a half-dozen AIDS researchers in the Malaysia Airlines tragedy has hit the research field hard.Friday
Centuries-old corpses cast into Danish bogs may have been revered travelers, researchers reveal.
Fires burn significant areas in Washington and Oregon.
Astronauts welcome new supplies and summer brings beautiful skies in the week's best space pictures.
Researchers are building a miniature version of the Gulf of California in Biosphere 2.
Conservationists test unmanned aerial vehicles in Belize and California.
A mosquito-borne disease that usually affects travelers to Asia and the Caribbean has established itself in North America.
Finding where Nemo comes from can be an exercise in frustration, thanks to a global patchwork of aquarium trade regulations.
What if farms came in from the cold and we grew our food indoors? Powered by 17,500 LED lights, a new Japanese "plant factory" is producing 10,000 heads of lettuce a day.
The North American animals, which turn white each winter, may adapt to less snow by staying brown for longer periods, researchers suggest.