ice age
An Ice Age Woolly Rhino Was Exhumed From Permafrost in Amazing Condition
The creature's internal organs, including its teeth and some of its intestines, have been preserved for tens of thousands of years.
Giant Sloths Died Wallowing in Their Own Feces, Paleontologists Suggest
Bones from a fossil rich site at Tanque Loma in Ecuador offers clues to how a group of 22 plus giant sloths met their end 18,000 years ago.
Mystery Bone Circles Made From Mammoth Skulls Date Back 20,000 Years
The circle, named Kostenki 11, was about 40 feet in diameter with no obvious entrance.
Asteroid Impact Two Billion Years Ago May Have Ended Snowball Earth
The Yarrabubba impact crater in Western Australia is the oldest in the world.
Ancient Wall to Protect Village from Sea-Level Rise 7,000 Years Ago Found
The 330-foot-long structure was created with boulders from a river over a mile away.
Last of the Homo Erectus Driven to Extinction by Climate Change
The latest known fossils belonging to extinct human species dated to between 117,000 and 108,000 ago.
How Animals Managed to Survive Mega Ice Age 700 Million Years Ago
Researchers find first direct evidence of a "glacial oxygen pump," which they say extended an essential lifeline to the simple life forms that inhabited the Earth at the time.
Plants Found on Ötzi the Iceman's Clothes Offer Clues to His Final Journey
Archaeobotanists at the University of Glasgow in Scotland have identified more than 75 species of plant frozen alongside Ötzi.
Prehistoric Giant Kangaroo As Tall As an Adult Man Had a Powerful Bite
Short-faced kangaroos are an entirely extinct group of marsupial herbivores that arose during the Miocene Epoch—around 23 to 5.3 million years ago—and diversified prolifically during Australia's Ice Age.
Ancient Fossilized Forest the Size of Grand Central Station Discovered
The trees in the forest would have been about 10 feet tall and resembled palm trees.
10,000-year-old Sunken Forest May Be Hiding Clues About the Ice Age
Researchers are probing the forest to see if humans ever lived there.
Ice Ages 'Caused by Collision of Earth's Continents'
The collision triggers a chemical reaction that causes carbon dioxide to be sucked from the atmosphere.
Ancient Rock Formation Destroyed by Group of Youths
The formations were "sculpted by 320 million years of ice, wind, and the movement of entire continents," the National Trust said.
Rock Evidence Upholds Snowball Earth Theory
These rock formations help to support the idea of a rapid Earth freeze over 700 million years ago.
Early Humans Liked Jerky Too, Ancient Jaws Suggest
Dried meat may have offered a long-lasting source of food in a changing rainforest.
Rare Tooth Shape Could Be Key to Ancestral Survival
Scientists think the genetic mutation behind these teeth protected babies against an intense lack of sunlight.
Gigantic Lions Roamed Africa, Ancient Fossil Reveals
A fossil skull was 20 percent bigger than even those of the largest modern lions in Africa.
Massive Comet Led To A Mini Ice Age, Researchers Say
The research team came to their hypothesis after analyzing rocks, lakes, and glaciers.
Thousands of Rare Artifacts Saved From Melting Glaciers
"This is sort of a dark archaeology, where we benefit from climate change that's making this ice melt."
First DNA Evidence of Early Native Americans Discovered
New evidence reveals a previously unrecorded indigenous population and poses a major challenge to existing theories about the earliest Americans.
Theory of America's Earliest Humans Overturned
In a new review of the evidence, half a dozen prominent anthropologists have thrown their weight behind "the kelp highway hypothesis."
Frequent Volcanic Eruptions Melted the Last Ice Age
At the time, volcanoes in Iceland were erupting 50 times more often than today.
The Evolution of a Tiny Skunk That Does Handstands
Western spotted skunks do handstands to make themselves appear more threatening.
Scientists Solve Mystery Extinction of Ice Age Giants
Melting glaciers turning land to bog was behind widespread extinctions of animals like the giant sloth and woolly mammoth between 15,000 and 11,000 years ago.
Decade-Long Search Uncovers Highest Known Ice-Age Human Settlements
The find refutes earlier ideas about humanity's ability to adapt to altitude.