First Vertebrates Evolved in Shallow Water
First Vertebrates Evolved in Shallow Water
Fish stuck to coastal habitats for nearly 100 million years after they first appeared.
First Vertebrates Evolved in Shallow Water
First Vertebrates Evolved in Shallow Water

Fish stuck to coastal habitats for nearly 100 million years after they first appeared.

Fish stuck to coastal habitats for nearly 100 million years after they first appeared.

paleontology
Human Birth Canal Varies More Widely than Previously Thought
Human Birth Canal Varies More Widely than Previously Thought
Anna Azvolinsky | Oct 24, 2018
The pelvic bones of women have been shaped more by random evolution than by natural selection, a new study finds.
Image of the Day: Birds of a Lung
Image of the Day: Birds of a Lung
Shawna Williams | Oct 22, 2018
A fossil from the Cretaceous Period shows similarities to modern avian species.
Ancient Andeans Had Novel Genetic Advantages to Adapt to Altitude
Ancient Andeans Had Novel Genetic Advantages to Adapt to Altitude
Ashley Yeager | Oct 19, 2018
Unlike other populations living at high altitude, Andeans didn’t rely on hypoxia-related genes.
Signs of Ancient Microbial Life Questioned
Signs of Ancient Microbial Life Questioned
Abby Olena | Oct 17, 2018
New findings cast doubt on previous claims that structures found preserved in rocks in Greenland are stromatolites, but the original authors say the discrepancy lies in different samples.
Ancient Teeth Tell the History of Equine Dentistry
Ancient Teeth Tell the History of Equine Dentistry
Sukanya Charuchandra | Oct 1, 2018
Researchers studied 3,000-year-old skeletal remains from Mongolia to understand the origins of veterinary dental practices.
Fossilized Lipids Confirm <em>Dickinsonia</em> as One of the Earliest Animals
Fossilized Lipids Confirm Dickinsonia as One of the Earliest Animals
Ruth Williams | Sep 20, 2018
An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.
What Was Lost in the Fire that Destroyed Brazil&rsquo;s Largest Museum
What Was Lost in the Fire that Destroyed Brazil’s Largest Museum
Marcia Triunfol | Sep 4, 2018
Scientists work to help relocate colleagues who lost everything.
Rat Remains Reveal Landscape Changes Wrought by Human Settlement of Polynesia
Rat Remains Reveal Landscape Changes Wrought by Human Settlement of Polynesia
Shawna Williams | Sep 1, 2018
Isotope changes in the bones demonstrate a similar pattern across far-flung islands.
Image of the Day: Baby Boom
Image of the Day: Baby Boom
Sukanya Charuchandra | Aug 31, 2018
Researchers describe the remains of a clutch of extinct mammal-like animals.