A cursory flip through any high school biology textbook will inevitably surface a mention of the Cambrian explosion, a period about 540 million to 520 million years ago during which many animal groups ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Fossils can help us peer deep into the planet’s past. But that ...

Extremely detailed Cambrian fossils show that enigmatic skeleton tubes belonged to ancient ancestors of modern jellyfish. When you purchase through links on our site, we may earn an affiliate ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Over 500 million years ago, a taco-shaped marine organism named ...

The fossil of an ancient sea squirt found in a collection at the Utah Museum of Natural History turned out to be the oldest of its kind. When you purchase through links on our site, we may earn an ...

The Grand Canyon may rewrite the textbooks on the Cambrian Explosion—a key turning point in Earth's history when there was a sudden boom in complex life and the emergence of all the major animal ...

A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs preserved in stunning detail. Reading time 3 minutes A newly described ...

What does it take for soft-bodied animals, built to rot not to rock, to persist for 500 million years in the Grand Canyon?

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Animal life seemed to explode into a wide variety of new forms in the Cambrian period. Sun et al. (2002). National Science Review. via Wikipedia under CC By 4.0 Sometime before 520 million years ago, ...