The cataclysmic end-Permian mass extinction and extreme global warming prompted the emergence of modern marine ecosystems at the beginning of the Age of Dinosaurs (or Mesozoic era), some 252 million y ...

While sharks may have emerged before trees, it’s the latter that holds the title of the longest-living organisms. The oldest-known, still-living, individual tree is a 4,857-year-old Californian ...

Add Yahoo as a preferred source to see more of our stories on Google. A rare fossil of Joaquinraptor casali from Patagonia reveals a powerful predator that may have dined on crocodiles. (CREDIT: The ...

Along South America’s windswept southern coast, Magellanic penguins have spent decades nesting in relative safety. For much of the twentieth century, sheep ranching dominated the region, and pumas ...

Far too many animals from Earth’s second-most remote continent have gone extinct in the past 10,000 years. Here’s one such example. In the year 1930, a striking photograph was taken. To this day, it ...