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113,288+ results

113,288+ results for:

  1. Animals

    The dinosaurs in the backyard

    Chickens are some of the closest relatives of dinosaurs, and though genetic tinkering the birds might even one day be turned into tiny dinos.

    By Sarah Zielinski
  2. Genetics

    Year in review: Genes linked to tameness

    A look at the genes of domesticated animals offers possible insights into why taming has altered animals’ appearances.

    By Tina Hesman Saey
  3. Animals

    Year in review: Insect, bird evolution revisited

    Insects got an entirely new family tree after an extensive genetic analysis rearranged the creatures' relations.

    By Susan Milius
  4. Genetics

    Year in review: Easy stem cells a no go

    An incredibly easy method for making stem cells turned out to be impossible, again tainting the stem cell research field with controversy.

    By Tina Hesman Saey
  5. Life

    Images reveal secrets of zinc sparks

    These sparks are created when billions of zinc atoms shoot from thousands of small pouches nestled just beneath the surface of a mouse egg cell.

    By Ashley Yeager
  6. Planetary Science

    Solar wind probably leaches Mars’ lower atmosphere

    Initial results from NASA's MAVEN probe may help explain how Mars has lost its atmosphere: The solar wind penetrates the Red Planet’s atmosphere and fuels escaping gas.

    By Thomas Sumner
  7. Life

    Source of sperm and egg’s zinc sparks identified

    Detailed imaging reveals the origin of zinc sparks that fly when egg meets sperm in mammals.

    By Ashley Yeager
  8. Neuroscience

    Year in review: The nose knows a trillion odors

    Humans can suss out more than 1 trillion different smells, a 2014 study estimated.

    By Bruce Bower
  9. Archaeology

    Year in review: Roster of dinosaurs expands

    With the discovery of several new species and a few dogma-shaking revelations, dinosaurs got a total rethink in 2014.

    By Meghan Rosen
  10. Particle Physics

    Year in review: Neutrinos leave tracks in ice

    The IceCube experiment has started to pinpoint the birthplaces of some high-energy neutrinos.

    By Andrew Grant
  11. Planetary Science

    Year in review: Ocean may power Enceladus’ geysers

    NASA’s Cassini spacecraft builds a stronger case for a subsurface ocean on Enceladus that drives ice geysers on the moon’s south pole.

    By Christopher Crockett
  12. Animals

    Year in review: The post-pigeon century

    Birds' troubles received an eerie emphasis in the news when biologists marked the 100th anniversary of the death of the last known passenger pigeon.

    By Susan Milius