During the last ice age, the last glacial maximum about 20,000 years ago, the climate in the North Atlantic underwent much greater multi-centennial variability than it does in the present warm period.

Scientists have predicted future glacial periods by matching Earth's past ice ages to its orbit around the sun. One thing their model doesn’t account for: How human ...

UC Riverside researchers have discovered a piece that was missing in previous descriptions of the way Earth recycles its carbon. As a result, they believe that global warming can overcorrect into an ...