COLUMBUS, Ohio, Dec. 12 (UPI) -- U.S. scientists said cores drilled from a Himalayan ice field lack a radioactive marker found in virtually every other ice core retrieved worldwide.

SAN FRANCISCO, Feb. 19 (UPI) -- A U.S. glaciologist says it is likely Peru's Qori Kalis glacier will disappear within five years, providing the clearest evidence yet of climate change.

COLUMBUS, Ohio, Feb. 14 (UPI) -- Ohio State University scientists, five years after warning the ice fields on Mount Kilimanjaro might melt, now say their prediction is coming true.

COLUMBUS, Ohio, Nov. 7 (UPI) -- Ice samples from the peaks of tropical mountains might help researchers solve an ancient climate mystery that could have changed human history.