About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...

Ancient sloths ranged in size from tiny climbers to ground-dwelling giants. Now, researchers report this body size diversity was largely shaped by sloths’ habitats, and that these animals’ precipitous ...

Watch on DVD or Blu-ray starting December 31st, 2007 - Buy The Evolution of Resident Evil: Bridge to Extinction DVD ...

On vacation, you're free to follow your heart.

pt. 1. Beyond the mainland ; 1. Introduction ; 2. History of island studies ; 3. Factors that influence island faunas. Types of islands. Dispersals to islands. The candidate species. Composition of ...

Speciation and extinction are the twin engines that have sculpted the diversity of life on Earth. Speciation, the process by which new species arise from ancestral populations, is driven by a mixture ...

In a new Science Advances study, researchers from the Okinawa Institute of Science and Technology (OIST) have now proved that from this biological havoc, known as the Late Ordovician Mass Extinction ...

The past as prologue -- Adaptation -- Origin of species -- Human evolution -- Living fossils -- Extinction -- Macroevolution -- Epilogue, old and new pictures https ...