Fossilized Tubes Point to Super-Ancient Mobile Organisms
Fossilized Tubes Point to Super-Ancient Mobile Organisms
If the structures identified in a 2.1-billion-year-old rock are really signs of burrowing organisms, it would push back the earliest known mobile organisms by 1.5 billion years.
Fossilized Tubes Point to Super-Ancient Mobile Organisms
Fossilized Tubes Point to Super-Ancient Mobile Organisms

If the structures identified in a 2.1-billion-year-old rock are really signs of burrowing organisms, it would push back the earliest known mobile organisms by 1.5 billion years.

If the structures identified in a 2.1-billion-year-old rock are really signs of burrowing organisms, it would push back the earliest known mobile organisms by 1.5 billion years.

paleobiology
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.
First Vertebrates Evolved in Shallow Water
First Vertebrates Evolved in Shallow Water
Kerry Grens | Oct 25, 2018
Fish stuck to coastal habitats for nearly 100 million years after they first appeared.
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.
Fossilized Beetle Is Earliest Evidence of Insect Pollinator
Fossilized Beetle Is Earliest Evidence of Insect Pollinator
Abby Olena | Aug 16, 2018
A 99-million-year-old beetle preserved in amber alongside grains of pollen likely pollinated prehistoric plants.
Why Are Modern Humans Relatively Browless?
Why Are Modern Humans Relatively Browless?
Jim Daley | Jul 1, 2018
The function of early hominins’ enlarged brow ridges, and their reduction in size in Homo sapiens, have puzzled paleoanthropologists for decades.
Fossilized Brains Called into Question, Might be Microbes
Fossilized Brains Called into Question, Might be Microbes
Abby Olena | Apr 11, 2018
Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.
Paleoproteomics Opens a Window into the Past
Paleoproteomics Opens a Window into the Past
Catherine Offord | Mar 1, 2018
Researchers are looking to proteins to explore the biology of ancient organisms, from medieval humans all the way back to dinosaurs.
Infographic: From Sediments to Sequences
Infographic: From Sediments to Sequences
Catherine Offord | Feb 28, 2018
How to analyze ancient proteins
Another New Timeline for <em>Homo naledi</em>
Another New Timeline for Homo naledi
Tracy Vence | Apr 27, 2017
The ancient human may have lived around 200,000 to 300,000 years ago—much more recently than previously estimated.