Researchers analyzed changes over time in the ratio of small earthquakes to bigger ones beneath Mount Etna and found a strong ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s ...

Scientists observed a 3.5 inches rise in the ground near the Iranian volcano's summit and it holds clues to its eruption.

These clouds, which have a shimmering silvery-blue color, are mainly made of ice crystals and form at altitudes of 50–70 ...

Two thousand years ago, Alaska’s Mount Okmok volcano spewed ash high into the atmosphere for months. Scientists believe it ...

A volcano in southern Iran thought to have been extinct for some 710,000 years has stirred.

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...

The volcano erupted for around nine minutes, forcing the highest-level alert and the evacuation of dozens of people from ...

To protect and preserve its natural heritage, the government of Cape Verde has conducted assessments of several important ...

The old fishing village at Ammoudi Bay below Oia. Columnist Paul Grondahl and his wife, Mary, returned to Santorini 31 years ...

Mount Lewotobi Laki Laki, one of Indonesia’s most active volcanoes, is erupting for a second straight day, spewing towering ...

A new study has revealed that our understanding of the South Pole-Aitken basin was quite literally back-to-front, meaning ...