The El Niño-Southern Oscillation, which is characterized by irregular alternations between anomalously warm (El Niño) and cold (La Niña) conditions,...
The end-Permian mass extinction, which occurred about 252 million years ago, was the most severe extinction event in the past 540 million years, eliminating...
A new study led by University of Adelaide researcher Jeremy Austin traces the history of Tasmanian tiger (thylacine) populations over the last 30,000 years.
A...
A multinational team of researchers has cracked the mystery behind the unusually strong El Niño events that occurred in 1982-1983 and 1997-1998.
El Niño,...