Volcanologists are closely monitoring the 11,070-foot-tall stratovolcano, located roughly 75 miles from Anchorage, after a recent uptick in earthquakes ...

Did you know the Great Lakes experience a rare winter phenomenon called ice volcanoes? These icy eruptions form when waves ...

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

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Earth has a variety of islands and bodies of water that resemble a heart. ESA takes you on a tour. Credit: ESA ...