The Cambrian explosion (also known as Cambrian radiation[1] or Cambrian diversification) is an interval of time beginning approximately 538.8 million years ago in the Cambrian period of the …

Cambrian explosion, the unparalleled emergence of organisms between 541 million and approximately 530 million years ago at the beginning of the Cambrian Period. The event was …

Jul 31, 2025 · But the “explosion”—that rapid burst of evolutionary innovation—occurred mostly within the first 20 to 25 million years of the Cambrian, making it extraordinarily fast by …

Around 530 million years ago, a wide variety of animals burst onto the evolutionary scene in an event known as the Cambrian explosion. In perhaps as few as 10 million years, marine …

Jul 2, 2024 · New research provides the clearest evidence to date that a rapid burst of evolution 540 million years ago could have been caused by a small increase in oxygen in Earth’s …

Jul 26, 2025 · The Cambrian Explosion was a rapid diversification of life forms, marked by the appearance of most major animal phyla in the fossil record over approximately 20 to 25 million …

May 17, 2025 · The Cambrian Explosion, occurring around 541 million years ago, signifies a rapid diversification of life on Earth, with most major animal phyla emerging in the fossil record over …

Mar 12, 2020 · In this video, Smithsonian Paleontologist Karma Nanglu discusses the explosion of life 500 million years ago.

The Cambrian explosion refers to the relatively sudden emergence of many new forms of life on Earth about 543 million years ago. The fossil record shows that within the span of 20 to 30 …

Learn more about a time period marked by an intense burst of evolution. The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The …