A wildfire north of Delta Junction has reignited. The more than 8,000-acre South Fork Salcha Fire was started by lightning earlier this month in a remote area about 70 miles southeast of Fairbanks.

We could not figure out the what type of sea mammal it is.

Dozens of flights out of Phoenix, Arizona, have been cancelled because of extreme heat.

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.

American Airlines has canceled 38 flights in and out of Phoenix on Tuesday afternoon because of extreme heat.

Because this extreme heat will last for several more days, the floodwaters aren't going away anytime soon. The higher the truck, the better for residents evacuating flooded homes in the River Bend RV Park.

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

Hundreds of craters caused by methane explosions were discovered underneath Barents sea. Further research finds evidence that the violent explosions could happen again in the future.

Observed fast moving weather system... as quickly as it came it abated.

The Shiveluch volcano in Russia's Far Eastern Kamchatka region has erupted, spewing ash some 13km above sea level.Officials from the region's Emergency Situations Ministry have confirmed that the ash is not expected to land on nearby settlements, Meanwhile a "red warning" has been issued to passing planes, urging them to avoid the site.The Shiveluch volcano is extimated to be between 60,000 and 70,000 years old.

Air emissions from Prudhoe Bay-area oil fields can have a big influence on the particles in the air in Utqiaġvik, the town formerly known as Barrow.

Detailed study of satellite data has identified more than 200 lakes with active methane emissions.

Unusually wet winter weather activity observed. Traveling in early February (AFE) disrupted travel due to weather conditions.

Dusting of ash reported overnight.