Biological Evolution: Unity and Diversity

  1. Fossils

    Bright-colored feathers may have topped pterosaurs’ heads

    Fossil remains of a flying reptile hint that their vibrant crests may have originated 250 million years ago in a common ancestor with dinosaurs.

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  2. Humans

    Scientists Say: Denisovan

    The Denisovans were a recently discovered population of ancient hominids.

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  3. Fossils

    Cool Jobs: Bringing paleontology to the people

    From museums to movies, these three paleontologists totally rock their connections with the public.

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  4. Animals

    A dog’s breed doesn’t say much about its behavior

    Many people associate dog breeds with specific behavioral traits. But breed appears to account for only about 9 percent of behavioral differences.

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  5. Animals

    Scientists Say: Primate

    Primates are mammals that tend to have big brains, forward-facing vision, fingernails and flexible hands and feet.

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  6. Tech

    Smartphones can now bring Ice Age animals back to ‘life’

    Scientists bring Ice Age creatures to life with augmented reality. You can view these creatures in your own world on a smartphone.

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  7. Animals

    Losing some genes may explain how vampire bats can live on blood

    Loss of 13 genes active in other bats could support the vampires’ blood-eating strategies and adaptations.

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  8. Animals

    The scent of queen ‘murder hornets’ can lure males into traps

    Traps baited with compounds found in the mating pheromone of hornet queens attracted thousands of males.

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  9. Animals

    Surprise! Sixteen tiny wasp species found masquerading as one

    Scientists used new and old tools to overturn 160-year-old ideas about this wasp. They show you can’t tell a wasp by its looks.

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  10. Fossils

    One of the earliest meat-eating mammals was saber-toothed

    Millions of years before the evolution of saber-toothed cats, a newly discovered "hypercarnivore" prowled the forests of what is now San Diego.

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  11. Health & Medicine

    Sickle-cell gene therapies offer hope — and challenges

    Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.

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  12. Animals

    The end of the dinosaurs appears to have come in springtime

    Fish fossils from North Dakota suggest when the Chicxulub asteroid devastated Earth, triggering the mass extinction of dinosaurs and other species.

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