Ashley Yeager is the associate news editor at Science News. Previously, she worked at The Scientist, where she was an associate editor for nearly three years. She has also worked as a freelance editor and writer, and as a writer at the Simons Foundation, Duke University and the W.M. Keck Observatory. She was the web producer for Science News from 2013 to 2015, and was an intern at the magazine in the summer of 2008. She holds a bachelor’s degree in journalism from the University of Tennessee, Knoxville, and a master’s degree in science writing from MIT. Her book, Bright Galaxies, Dark Matter and Beyond, on the life of astronomer Vera Rubin, will be published by MIT Press in August.

All Stories by Ashley Yeager

  1. Hallucigenia sparsa, illustrated
    Paleontology

    Fossil worm adds head to its spiny appearance

    Hallucigenia sparsa gives hints to how some animals ended up with teeth in their guts and platelike pieces around their mouths.

  2. eggs with patterns
    Animals

    Unpredictable egg scramble throws off parasitic parents

    Eggs of some species of warbler and weaver birds appear to have individual signatures, which can help distinguish them from the eggs of parasitic cuckoos.

  3. eggs with patterns
    Animals

    Unpredictable egg scramble throws off parasitic parents

    Eggs of some species of warbler and weaver birds appear to have individual signatures, which can help distinguish them from the eggs of parasitic cuckoos.

  4. An image of the Philae lander, maybe?
    Planetary Science

    Comet lander Philae phones home

    The European Space Agency has received signals for its comet lander Philae, which touched down on comet 67P/Churyumov-Gerasimenko in November and has been in hibernation since.

  5. traces of dino blood
    Paleontology

    Traces of dino blood, soft tissue found even in junk bones

    Hints of blood and collagen found in poorly preserved dinosaur bones suggest that soft tissue from the creatures may be easier to come by.

  6. illustration of fossil bird
    Paleontology

    Horned dino aside, here are some other fun fossil finds

    Here's a roundup of some fossil finds reported this week.

  7. sand fly
    Health & Medicine

    Fly spit protein holds back parasite infection in monkeys

    A protein called PdS15 found in the saliva of the sand fly that spreads leishmaniasis may be used in a vaccine to combat the parasitic scourge causing the illness.

  8. parakeet
    Animals

    Parakeets can catch yawns from their neighbors

    Humans and dogs aren't the only ones that can pass along a yawn. They appear to be contagious among parakeets, too.

  9. crows safeguarding sticks
    Animals

    Crows safeguard sticks to speed future food-finding forays

    New Caledonian crows safeguard the sticks they use to find food. As the risk of losing the tool increases, the more protective the birds become.

  10. woman and baby in the pool
    Health & Medicine

    Playtime at the pool may boost youngsters’ bodies and brains

    Learning to swim early in life may boost kids’ learning in language and math.

  11. MRSA bacteria
    Genetics

    Quicker sepsis diagnosis may be a step closer

    Identifying genes linked with sepsis may make it possible to develop a blood test to diagnose the infection days sooner than current methods.

  12. Health & Medicine

    Too much light slows brown fat, suggesting link with obesity

    Brown fat is supposed to be the friendly kind, but making the days longer with artificial light may turn it into an enemy in the battle against obesity.