1. Fossils

    Ancient jaw suggests humans left Africa earlier than thought

    A fossil jaw found in a cave in Israel is at least 177,000 years old. The scientists who found it think it shows humans left Africa much earlier than thought.

  2. Life

    Defining a dinosaur is now far harder

    New fossil finds are making it difficult to say for certain what makes dinosaurs unique.

  3. Fossils

    Jackpot! Hundreds of fossilized pterosaur eggs unearthed in China

    A trove of fossilized pterosaur eggs and embryos offer tantalizing clues to the winged reptiles’ early development.

  4. Fossils

    Weird new dino looked more like a duck

    A weird new dinosaur species resembled a duck.

  5. Animals

    Tiny T. rex arms were built for combat

    The fearsome T. rex had more than a mouth full of killer teeth. Its relatively tiny arms also could have served in close combat as powerful slashers.

  6. Fossils

    Camo might have helped this armored dinosaur avoid becoming lunch

    An armored dinosaur the size of a Japanese sedan also wore camouflage, a new analysis of its skin suggests.

  7. Fossils

    T. rex may not have been able to run — but it was still pretty fast

    T. rex was fearsome, but its leg bones may not have been strong enough to stand the stresses of running.

  8. Animals

    Scientists Say: Dire wolf

    Dire wolves are an extinct species of wolf that roamed North America from about 300,000 to 12,000 years ago.

  9. Archaeology

    European fossils may belong to earliest known hominid

    New fossils suggest that the earliest non-ape human ancestors may have evolved in Europe, not Africa.

  10. Fossils

    Study claims to have found oldest human fossils

    Humans, as a species, may be much older than previously thought. They also may have evolved further North and West of the suspected cradle of human evolution.

  11. Animals

    How the house mouse found its home

    Once people started settling down 15,000 years ago, a mouse species followed them indoors. The animals didn’t need people to be farming and storing food.

  12. Fossils

    This hominid may have shared Earth with humans

    Newfound fossils in South Africa point to a far more recent age for Homo naledi than had been accepted. If correct, this hominid might have coexisted with humans — even interacted with our species.