Scientists have solved the mystery on why a "zombie" volcano in South America has been displaying possible signs of an eruption for decades.

SALT LAKE CITY — Scientists have studied Yellowstone National Park's magmatic system for decades, which makes the iconic geysers, mud pots and various hydrothermal wonders possible. But it wasn ...

SALT LAKE CITY — Scientists have studied Yellowstone National Park's magmatic system for decades, which makes the iconic geysers, mud pots and various hydrothermal wonders possible. But it wasn ...

(NEXSTAR) — There have long been questions about when Yellowstone’s volcanic system could see an eruption, especially after a massive hydrothermal explosion was caught on camera last summer.

For decades, scientists knew magma was simmering beneath the earth at Yellowstone National Park. A team of researchers ...

The new result means that this 35,000-year-old basalt is now the youngest Yellowstone eruption known. The younger age implies that basaltic activity remains possible west of Yellowstone National ...