3 min read The Cambrian period, part of the Paleozoic era ... were among the most successful organisms ever to populate Earth. These familiar marine arthropods first arose about 545 million ...

It belonged to a more obscure period, inhabited by cryptic ... Scientists until then had believed that the Cambrian explosion was the point when life on Earth opened out, kaboom, like a starburst ...

encompassed the Cambrian explosion, a period when life diversified dramatically and radiated into new niches. The second "step" in the staircase of Earth's spin occurred roughly 340 million to 280 ...

Researchers think there are now around 7.7 million animal species living on Earth, with thousands more discovered every year.

The Precambrian encompasses 86 percent of the history of Earth. As its name implies, this includes all of geological time prior to the Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian ...

Internal, genetic factors were also crucial. Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution of a "genetic tool kit" of genes that govern ...

Among the many fossilized stars is a 26-meter-long Mamenchisaurus jingyanensis, a gigantic herbivore that lived around 150 million years ago and had one of the longest necks of its species. It is ...

"The Great Unconformity sets the stage for the Cambrian explosion of life ... amounts of mass erosion matched with the Snowball Earth period. "The new research verifies and advances the findings ...

Their findings provide valuable insights into the origins of these structures in the basal Cambrian period. An international team of scientists has uncovered a fascinating piece of the ...