Oldest Known Parasites Found in Ancient Puma Feces
Oldest Known Parasites Found in Ancient Puma Feces
Researchers isolate roundworm DNA from animal excrement that is about 17,000 years old.
Oldest Known Parasites Found in Ancient Puma Feces
Oldest Known Parasites Found in Ancient Puma Feces

Researchers isolate roundworm DNA from animal excrement that is about 17,000 years old.

Researchers isolate roundworm DNA from animal excrement that is about 17,000 years old.

ancient animals
Paleoart
Paleoart
The Scientist Staff | Jan 1, 2019
See an update from Chicago's Field Museum about the works of Charles R. Knight and other paleoartists who pioneered the depiction of ancient life.
Warming Water and Lack of Oxygen Caused Massive Extinction
Warming Water and Lack of Oxygen Caused Massive Extinction
Abby Olena | Dec 6, 2018
Simulations of Earth’s climate 252 million years ago reveal that the same symptoms of modern climate change likely account for the time period’s extensive loss of marine life.
Original North American Dogs Descended From Siberian Populations
Original North American Dogs Descended From Siberian Populations
Catherine Offord | Jul 5, 2018
European settlers likely wiped out these ancient dogs, but the animals seem to have left a lasting legacy in a transmissible canine cancer.
Infographic: Resurrecting Ancient Proteins
Infographic: Resurrecting Ancient Proteins
Amber Dance | Jul 1, 2018

Learn the basic steps researchers take when reconstructing proteins from the past and how these biomolecules can inform engineering projects.

Scientists  Bring  Ancient  Proteins  Back  to  Life
Scientists Bring Ancient Proteins Back to Life
Amber Dance | Jul 1, 2018
Researchers are resurrecting proteins from millions of years ago to understand evolution and lay the groundwork for bioengineering custom molecules.
“Carolina Butcher” Prowled Triassic North America
“Carolina Butcher” Prowled Triassic North America
Bob Grant | Mar 20, 2015
Researchers find the oldest and largest crocodile relative yet discovered.
Genome Digest
Genome Digest
Jenny Rood | Jan 12, 2015
What researchers are learning as they sequence, map, and decode species’ genomes
Early Animals Oxygenated Oceans
Early Animals Oxygenated Oceans
Bob Grant | Mar 11, 2014
Researchers suggest that ancient animal species helped oxygenate Earth’s oceans, paving the way for complex life forms to evolve.