Did you know the Great Lakes experience a rare winter phenomenon called ice volcanoes? These icy eruptions form when waves crash into frozen shorelines, creating cone-shaped structures that look like ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

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 recent earthquake swarm near Santorini has brought the topic of volcanoes in Greece back into the spotlight.

The recent earthquake swarm near Santorini has brought the topic of volcanoes in Greece back into the spotlight.

The formation, movement and melting of icebergs offer insights into some of the most extreme areas of the cryosphere, like Antarctica and Greenland.

Industry experts weighed in and provided specific guides and recommendations on how to choose an ethical wildlife encounter ...

Kilauea, one of the most active volcanoes in the world, spewed lava for over 22 hours this week. It's been erupting ...

Researchers found that magma chambers beneath Cascade Range volcanoes persist even when the volcanoes are dormant, ...

Kilauea, one of the world's most active volcanoes, has been erupting on and off for nearly two months since it burst to life on Dec. 23. The eruption has been taking place at the the volcano's summit ...