By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as ...

The climate-altering eruption came from the Zavaritskii volcano on an uninhabited island in the Pacific that once hosted a ...

While researchers lose sleep over the rapidly melting ice sheets in the poles, studies suggest it is how history is repeating ...

Sacrifices of “sun stones” occurred around the same time a volcanic eruption in 2900 BC dimmed the sun throughout Northern ...

Scientists have identified the “mystery volcano” that erupted in 1831 and cooled Earth’s climate. They have linked it to an island volcano in the northwest Pacific Ocean.

Almost 98 percent of Greenland is currently covered in ice ... The research team analyzed a sample of an ice core extracted from the area in 1993 and found a number of fossils, including willow ...

The synchronization of data from two natural climate archives -- a speleothem from the Herbstlabyrinth Cave in Hesse (Germany) and ice cores from Greenland -- offers new insights into the chronology ...

Ice core analysis from Greenland reveals volcanic upheaval that coincides with the creation of mysterious "sunstones" in ...

The U.S. would inherit an environmental dilemma of its own making if it lays claim to the massive Arctic island.

"We know that at one time the Greenland Ice Sheet was joined to the Canadian ... depression can be lined up with the layers in drill cores that have been directly dated. And they estimate an ...

Researchers recently solved that puzzle by sampling ice cores in Greenland, peering back in time through the cores’ layers to examine sulfur isotopes, grains of ash and tiny volcanic glass ...