A study led by anthropologist Christopher I. Roos from Southern Methodist University in Dallas shows that modern “mega forest fires” in the southwestern U.S. are the result of dense canopies that likely grew as a result of human interference.

Combination of hi-tech models and paleo-records may hold key to unlocking reason for Anastazi people's migration and other global events.

A new 2,000-year-long reconstruction of sea surface temperatures (SST) from the Indo-Pacific warm pool (IPWP) suggests that temperatures in the region may have been as warm during the Medieval Warm Period as they are today.

Cambridge, MA -- A review of more than 200 climate studies led by researchers at the Harvard-Smithsonian Center for Astrophysics has determined that the 20th century is neither the warmest century nor the century with the most extreme weather of the past 1000 years.