Learn more about a time period marked ... organisms ever to populate Earth. These familiar marine arthropods first arose about 545 million years ago in the early Cambrian and thrived throughout ...
The history of life on Earth dates back more than 500 million years, when complex-structured organisms emerged during the Cambrian period. A recent discovery in the western Utah desert sheds light on ...
Sprigg’s discovery proved important as a first signal that the period now called Ediacaran, not the Cambrian just following ... call a “snowball Earth.” During that time oxygen levels ...
Professor Brian Cox explores the origins of life on earth with a visit to the ... of life around 540 million years ago, during the Cambrian period, known as the ‘Cambrian explosion’.
"The Great Unconformity sets the stage for the Cambrian explosion of life ... explanation for erosion across a vast area during the Snowball Earth period since ice sheets were believed to cover ...
Museum palaeontologists Dr Greg Edgecombe and Dr Xiaoya Ma are using extraordinary fossils to reveal exquisite details about the earliest eyes on Earth. More than 541 ... evidence that eyes sparked ...
The Precambrian encompasses 86 percent of the history of Earth ... Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian's oldest era, the Hadean, predates most of the geologic record ...
They report their efforts in "The Cambrian of the Grand Canyon ... today's devastating hurricanes -- during a period of very hot temperatures when the Earth was ice-free," she says.