Earth is the only known planet in the solar system that can sustain and provide a habitable environment for life ...

The Cambrian explosion was a major diversification of animal life that unfolded early in the Cambrian period, which began around 538.8 million years ago. During this interval, marine animals became ...

A new scientific review suggests that ancient supercontinents, mountain building, and changes in Earth's magnetic field ...

Imagine being transported 500 million years into Earth’s past, landing in a world that feels both alien and dangerously ...

The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian ...

A newly discovered trove of fossils in southwestern China is shifting the timeline of when complex animals evolved. The diversity and complexity of animal life is thought to have increased rapidly ...

Animal life is extraordinarily diverse and complex, having colonised almost all environments on Earth – from hostile hydrothermal vents in the deep sea to the skies across our continents. But all this ...

Here’s what you’ll learn when you read this story: Scientists believe they’ve deduced why prehistoric Ediacara Biota fossils have remained preserved for millions of years. The fossils of these ...

Bryozoans are tiny, filter-feeding colonial invertebrates that thrive in the world's oceans today, yet for decades their origins presented a puzzling gap in the fossil record. While nearly every other ...