Experts say brown or grizzly bears attack and kill people far more often in Alaska than black bears. Authorities say black bears killed a 16-year-old runner at Bird Ridge over the weekend and a Pogo Mine contractor Monday.

You won't need any reminder that it's summer in the national park. The heat wave that's settled over the Southwest has already brought 120-degree readings, which will likely be surpassed this week.

The town of Nuugaatsiaq on Greenland's west coast was hit by a tsunami on Sunday devastating the town and the people living there. The people were evacuated by helicopters.

The fall of a climber into a crevasse highlighted this season's risky combination of crumbling snow bridges and splintered climbing teams.

A haze surrounding the hills had a distinct smell of burned wood.

We were picking ticks off the dogs and ourselves and when we got home we found an additional 20 or so ticks on ourselves and each of the dogs.

BANNOCK COUNTY -- Mosquitoes infected with the West Nile Virus have been discovered in eastern Idaho, health officials warned Friday.

County health officials have detected a species of mosquito responsible for spreading Zika and other viruses for the first time in Southern Nevada.

The Health Department says two batches of mosquitoes tested positive for West Nile virus, but no human cases have been reported.

In recent years, the presence of red tide algae in the Mexican Pacific Ocean has occurred from Manzanillo Bay, Colima, all along the western Mexican coast to the Bay of Mazatlan, Nayarit, and as far north as Ensenada, La Paz, Baja California. Fortunately, although Jaltemba Bay did have some of the toxic algae, the civic leaders and government were immediately in action.

Russian officials have said the death of a 12-year-old boy, a member of a reindeer-herding family from the Yamal tundra 1,300 miles north of Moscow, was the first fatality in Siberia linked to the pathogen since 1941. Twenty others have been diagnosed with anthrax.

Melted permafrost that exposed an infected reindeer carcass is believed to have resulted in the cases that killed a 12-year-boy and sickened eight others.

Seventy-two nomadic herders, including 41 children, were hospitalised in far north Russia after the region began experiencing abnormally high temperatures

Six inches of rain fell in a three hour period.

When temperatures are warm enough, it's a time many Alaskans take their families out swimming. Sometimes the fun comes along with an annoying rash known as 'Swimmer's Itch.'

Climate change is effecting the people of the Solomon Islands in many ways. Sea level rise is a major driver.

Sea lion washes ashore in Nanwalek.

Searing temperatures, which have been as high as 113 degrees, were below 100 on Thursday, but a sense of panic and crisis persisted in the city.