Earth’s Ediacaran Period, which lasted from about 630 to 540 million years ago, has long puzzled scientists studying the ...

A study has found evidence that has rewritten our understanding of ancient Earth. We now know that 500-million-year-old rocks ...

Researchers uncovered compelling evidence that Earth's magnetic field was in a highly unusual state when the macroscopic animals of the Ediacaran Period -- 635 to 541 million years ago -- diversified ...

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. The Bay Bay Area-raised host Ericka Cruz Guevarra brings you context and ...

Scientists believe that the Earth is currently in the midst of its sixth major extinction event, but a new study suggests that’s not the case – it may actually be the seventh. Scientists have found ...

Aug. 21 (UPI) --New fossil analysis suggests the planet's earliest known animals emerged at least 571 million years ago. The new study -- published this month in the journal Paleontology-- proves ...

An international team of researchers is claiming to have discovered the world’s oldest footprints. Dating back a whopping 550 million years and found in a limestone bed in China, the prints were made ...