Ranger naturalist George D. Marler meticulously documented changes in hydrothermal activity in the geyser basins of ...

ABOVE: The popular spot, Grasshopper Glacier in the Beartooths, is virtually gone. After lasting thousands of years, it is disappearing in less than a lifetime. BELOW: Remnants of the once proud ...

The loss of Grasshopper Glacier, north of Cooke City, in the heart of the Greater Yellowstone Ecosystem, is a bellwether, scientists say.

It’s time to ring in the Martian New Year with a variety of strange sights on the planet’s Northern Hemisphere.

Today, Yellowstone remains a place of low volcanic risk. Sure, there are sometimes small explosions stoked by hot water and steam. But it's mostly thermal pools and awesome geysers, reminding us of ...

Yellowstone National Park is home to many of the largest known volcanic eruptions on the planet, and scientists have new research that is helping determine when – and where in the park – the next one ...

The brief blast of cooler air New Mexico felt earlier this week is already gone. Heading into the weekend the state can expect temperatures upwards of 20 degrees above average. A high pressure system ...

Scientists investigating the Yellowstone supervolcano have discovered ... These signals change depending on what kind of stuff—like rocks, water, or metals—is underground.

This story has been updated with information from Yellowstone National Park. Citing a failure to cooperate with Montana state agencies and violation of federal laws, Gov. Greg Gianforte’s ...

Magma underneath the Yellowstone Caldera — one of Earth’s biggest volcanic complexes — may be moving northeast, according to a study released by the United States Geological Survey (USGS ...

Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that the reservoirs of magma that fuel the supervolcano's wild outbursts ...