Up to 700,000 years ago, ground squirrels in modern-day Canada collected tons of helpful genetic information on their bygone ...

A treasure trove of prehistoric squirrel poop is painting a picture of a lost world. Some of the oldest DNA ever discovered ...

Prehistoric squirrel droppings were analyzed and found to contain genetic material of numerous ice-age beasts, plants, ...

Caption: Arctic ground squirrels play a key role in Arctic ecosystems — aerating soil, dispersing seeds, and providing a crucial food source for predators — helping to maintain the balance of life in ...

Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research ...

Modern walking fish share the same simple gait, offering new clues about how ancient vertebrates first moved from water onto ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...

In a new study, fossilized droppings suggested that ancient ground squirrels ate the meat of much larger animals, including ...

Latimeria or Coelacanth (Latimeria chalumnae Smith), A living fossil, the oldest known living lineage of Sarcopterygii (lobe-finned fish and tetrapods).© Openfinal/Shutterstock.com Nature craves ...

Australia's much-loved wombats, koalas and quokkas may need to add another branch to the family tree based on a recent fossil ...