Alaska’s Mount Spurr volcano is showing signs of increased activity, with small earthquakes, ground swelling, and melting ...

An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

We rank the 13 Best Places to Visit in Costa Rica. See which places our readers like the best, and vote for your favorites.

Scientists are keeping a close eye on three US volcanoes after their threat levels rose Thursday, suggesting eruptions may be ...

The Valentine's Day northern lights will largely be visible in Canada and Alaska, but a few northern-most states may see the ...

Recent research led by Cornell University has revealed that significant magma bodies exist beneath active and dormant ...