An ice age is a period of colder global temperatures and recurring glacial expansion capable of lasting hundreds of millions of years. Thanks to the efforts of geologist Louis Agassiz and ...
Ancient ice discovered high in Tibet may be more than 128,000 years old, preserving an extraordinary record of Earth's ...
Warming temperatures are offsetting natural cycles ...
A surviving ice cap in the Canadian Arctic suggests that the planet may have begun moving toward another glacial period about ...
Earth’s persistently frozen poles mean the last ice age never really came to an end. What we think of as the mammoth-romping, ...
During the last ice age, glaciers formed high in the Rocky Mountains and carved out the peaks and valleys visible today. Recreating the landscape and life forms of this era of the last great ...
Visitors to the Witte Museum can now explore one of Texas' most significant Ice Age fossil sites through new technology and rare fossil displays, thanks to a collaboration with Concordia University ...
Antarctica's glaciers were changing long before satellites, weather stations or cameras captured their transformations, and ...
The growth of massive Northern Hemisphere ice sheets begins with changes in Earth’s orbit that alter how solar energy is ...
On the floor of a 32-foot-deep small lake just northeast of Grand Rapids, Michigan, Calvin students are literally digging up history. “It was a shot in the dark when we decided to core this lake ...
Margin of the Barnes Ice Cap. (Nicolás Young) Earth is constantly molded by fire and ice, and not in a poetic sense. These ...