excursions, and depletion of C org to near zero. Benthic foraminifers show a significant diversity increase: a modest origination event (OM9) occurs among molluscs. The major effects of these ...

Nearly one million years ago, humanity came perilously close to disappearing. A new study reveals that our ancestors may have been reduced to just 1,280 individuals, leaving the human race on the ...

About 66 million years ago – perhaps on a downright unlucky day in May – an asteroid smashed into our planet. Even groups that weathered the catastrophe, such as mammals, fishes and flowering plants, ...