Natural cycles in Earth's rotational axis and its orbit around the sun drive climatic changes, and now researchers have ...
Records from 500 years ago document floods, famine and death in 16th century Transylvania due to wild weather swings during the Little Ice Age.
During the last ice age, massive continental ice sheets up to five km high covered much of North America and northern Europe (the Laurentide and Fennoscandian ice sheets, respectively).