Most groups of modern animals had their beginnings more than half a billion years ago in an amazing evolutionary event known as the Cambrian Explosion.
Paleontology & Fossils
Oct 28, 2021
0
24
Many scientists consider the "Cambrian explosion"—which occurred about 530–540 million years ago—as the first major appearance of many of the world's animal groups in the fossil record. Like adding pieces to a giant ...
Paleontology & Fossils
Sep 9, 2021
0
97
The ancient burrowers of the seafloor have been getting a bum rap for years.
Earth Sciences
May 28, 2021
0
26
Remarkably well-preserved fossils are helping scientists unravel a mystery about the origins of early animals that puzzled Charles Darwin.
Paleontology & Fossils
Jan 12, 2021
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1418
If you could dive down to the ocean floor nearly 540 million years ago just past the point where waves begin to break, you would find an explosion of life—scores of worm-like animals and other sea creatures tunneling complex ...
Archaeology
Aug 14, 2020
0
338
Scientists have discovered the oldest fossil that can be assigned to the living annelid worms, the group of animals that contains earthworms, leeches and many different forms in the ocean including polychaetes (such as ragworms ...
Archaeology
Jun 11, 2020
0
68
A team of geologists led by the University of Colorado Boulder is digging into what may be Earth's most famous case of geologic amnesia.
Earth Sciences
Apr 27, 2020
6
3024
A new way of looking at marine evolution over the past 540 million years has shown that levels of biodiversity in our oceans have remained fairly constant, rather than increasing continuously over the last 200 million years, ...
Ecology
Apr 23, 2020
3
391
A new study by an international team of scientists has revealed the developmental and evolutionary mechanisms underlying the origin of a major phylum.
Evolution
Mar 19, 2020
0
164
A 550 million-year-old fossilized digestive tract found in the Nevada desert could be a key find in understanding the early history of animals on Earth.
Archaeology
Jan 10, 2020
2
623
