Geothermal energy delivers constant power using heat from beneath the Earth. Here’s how it works and why it matters.

From here, many choose to drive about two hours to hike in Llanganates National Park. This area is famous for the legend of ...

These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery.

Explosive 90s disaster thrills turn a quiet small town into a nerve shredding fight for survival, packed with unforgettable ...

Bermuda may well be associated with exaggerated stories of missing ships and planes, but there is another mystery about this ...

A large mass of granite that has been slowly releasing heat has been discovered buried beneath a crater on the Moon. This is ...

GRINDAVIK, Iceland (AP) — Lava continued to spew from a volcano in southwestern Iceland on Friday — the sixth time since December the volcano has erupted on the Reykjanes Peninsula. The eruption from ...

The Hayli Gubbi volcano in the rural northeast of Ethiopia erupted November 23. Afar Communication Bureau via Facebook A volcano in northern Ethiopia erupted Sunday, marking its first known eruption ...

The ash cloud drifted over northern India, causing some flight delays and cancellations, and continued toward China. By Lynsey Chutel A volcano that erupted in Ethiopia spewed an ash cloud that ...

Hayli Gubbi in Ethiopia has been dormant for all of recorded history. A long-dormant volcano has just erupted for the first time in recorded history. The Hayli Gubbi volcano in northern Ethiopia's ...

A long-quiet volcano in Ethiopia spewed ash nine miles into the sky on Sunday, marking the first known major eruption from this volcano for more than 12,000 years. Under-studied and situated in ...

The Taftan volcano in Iran frequently expels gas, but has not erupted. A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to new ...