From Alaska to Wyoming, here are the best places to see bears in the wild across the U.S., including when to go and tips for a safe encounter.

Mount Blackburn reaches up 16,390 feet ... The biggest show was in 1912 when Katmai erupted more powerfully than any other volcano that century. Six volcanic centers, including Augustine and Okmok, ...

A volcano near Alaska’s most populous city may be preparing to erupt, according to experts who have been monitoring the ...

Infrared data highlights a streak of lava in bright red as it flows down the snowy slope of Mount ... [+] Etna in Italy. Volcanoes are awesome forces of nature. They can be intimidating when ...

Satellites have detected large volumes of methane spewing from Mount Fentale’s crater following months of earthquakes that ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning suggest the volcano could be moving closer to an eruption. "It's about a 50/ ...

The airport closes several times a year due to the active volcano. As well as being the most active stratovolcano in the world, Mount Etna is also Europe’s highest volcano, at about 3,350 meters ...

Hundreds of small earthquakes have occurred beneath Mount Spurr, located in the volcanically active Aleutian Arc and approximately 75 miles west of Anchorage, according to the Alaska Volcano ...