photo of Ashley Yeager

Ashley Yeager

Associate News Editor

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. Planetary Science

    First craters on Mars spotted 50 years ago

    Fifty years ago, Mariner 4 revealed that the Red Planet was peppered with craters. Now we know pockmarks are common on many other planets and moons, too.

  2. Animals

    Boas kill by cutting off blood flow, not airflow

    Boas actually kill by constricting blood flow of their prey, not suffocating them, as scientists previously suspected.

  3. Paleontology

    How dinos like Triceratops got their horns

    A new dino named Wendiceratops pinhornensis gives hints about how Triceratops and other relatives got their horns.

  4. Health & Medicine

    Clot-snatching stroke treatment gets the green light

    Snatching blood clots from the brain with a wire mesh stent is a new stroke treatment that is now supported in the United States.

  5. 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.

  6. 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.

  7. 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.

  8. 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.

  9. 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.

  10. Paleontology

    Horned dino aside, here are some other fun fossil finds

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

  11. 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.

  12. 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.