My children often ask: Why is history so important? For which I regularly answer — because the past is rich with information and lessons. From about AD 800 to 1300 the Earth underwent a slight warming ...

Before our current, carbon-fueled global warming trend took off during the 20th century, the most consequential temperature bump in recorded history was the Medieval Warm Period. This week, scientists ...

We are living in a world that is getting warmer year by year, threatening our environment and way of life. But what if these climate conditions were not exceptional? What if it had already happened in ...

A new study questions the popular notion that 10th-century Norse people were able to colonize Greenland because of a period of unusually warm weather. Based upon signs left by old glaciers, ...

A pair of newly published papers confirms prior studies indicating temperatures during the Medieval Warm Period and Roman Warm Period were at least as warm as temperatures in the current warm period.

Global warming from greenhouse gases affects rainfall patterns in the world differently than that from solar heating, according to a study by an international team of scientists in the January 31 ...

In the Dec. 7 News article, “Cold water thrown on Viking theory,” University at Buffalo professor Jason Briner maintains the Medieval Warm Period was a “patchy”regional phenomenon. But doesn’t the ...

While people today are living through the first human-caused global warming event, we aren’t the first to ever live through climate change. For example, between the years 800 and 1400, the world was ...

OSLO (Reuters) - Temperatures high in the Norwegian Arctic are above those in a natural warm period in Viking times, underscoring a thaw opening the region to everything from oil exploration to ...