1. Humans

    Human embryo replicas have gotten more complex. Here’s what you need to know

    Lab-engineered human embryo models created from stem cells provide a look at development beyond the first week. But they raise ethical questions.

  2. Archaeology

    How Asia’s first nomadic empire broke the rules of imperial expansion

    New studies reveal clues to how mobile rulers assembled a multiethnic empire of herders known as the Xiongnu more than 2,000 years ago.

  3. Genetics

    The first gene therapy for muscular dystrophy has been approved for some kids

    The U.S. Food and Drug Administration cleared a shortened version of a gene for a muscle protein to be used in 4- and 5-year-olds with muscular dystrophy.

  4. Genetics

    Daphne Martschenko is a champion for ethical, inclusive genomics research

    A bioethicist focused on the genomics revolution, Daphne Martschenko fosters open discussion through “adversarial collaboration”

  5. Animals

    DNA has revealed the origin of this giant ‘mystery’ gecko

    A genetic analysis of a 19th century museum specimen, the only known example of the planet’s biggest gecko, has rewritten the animal’s backstory.

  6. Animals

    Octopuses and squid are masters of RNA editing while leaving DNA intact

    Modifications to RNA could explain the intelligence and flexibility of shell-less cephalopods.

  7. Neuroscience

    A rare mutation helped one man stave off Alzheimer’s for decades

    The brain of a Colombian man with an inherited form of Alzheimer’s may hint at ways to halt or slow the progression of the disease.

  8. Life

    The new human pangenome could help unveil the biology of everyone

    The deciphered DNA includes never-before-explored parts of the genome and better represents the genetic diversity of all humans.

  9. Life

    Swarming locusts can deploy a chemical to avoid being cannibalized

    Releasing a “don’t-eat-me” pheromone signals a locust has become a toxic treat. The finding could lead to new ways to control destructive swarms.

  10. Genetics

    Here are 5 cool findings from a massive project on 240 mammal genomes

    A new series of studies on mammal genetics is helping scientists start to answer questions about evolution, cancer and even what makes us human.

  11. Genetics

    What was Rosalind Franklin’s true role in the discovery of DNA’s double helix?

    Two researchers say that Rosalind Franklin knowingly collaborated with James Watson and Francis Crick to discover the molecular structure of DNA.

  12. Animals

    Urchins are dying off across the Caribbean. Scientists now know why

    A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.