Meghan Rosen

All Stories by Meghan Rosen

  1. Fossils

    Fossils offer new candidate for earliest life

    Rock unearthed in Canada appears to hold fossils from seafloor microbes that would have lived around 4 billion years ago, when Earth was very young.

  2. Tech

    Speedy, springy robot ‘Salto’ catches some serious air

    A lightweight robot nicknamed “Salto” can bound from floor to wall and back. Such fast and agile bots may someday aid in search-and-rescue operations.

  3. Fossils

    Dinosaur tail preserved in amber — feathers and all

    Scientists have found the tail of a dinosaur trapped in amber. It includes both feathers and identifiable bits of bone.

  4. Fossils

    Speckled dino spurs debate about ancient animals’ colors

    Structures found in fossil dinosaur skin may give clues to the creatures’ colors and how they lived. But not all scientists agree on how to interpret what they see.

  5. Fossils

    Dino brain found ‘pickled’ in boggy swamp

    Scientists claim to have identified the first fossil brain tissue from a dinosaur.

  6. Health & Medicine

    Zika birth defects: Concerns spread from head to toe

    Zika infections may trigger problems well beyond babies born with small heads and brains. Scientists have begun linking a range of head-to-toe health ails to the virus.

  7. Life

    Nobel awarded for unveiling how cells recycle their trash

    Cell biologist Yoshinori Ohsumi has won the 2016 Nobel Prize for physiology or medicine for discovering how cells take care of housekeeping.

  8. Fossils

    Mini pterosaur from the age of flying giants

    Not all pterosaurs flying the Cretaceous skies had a wingspan as wide as a school bus is long. Some, new fossils show, were smaller than modern eagles.

  9. Health & Medicine

    Measles in the Americas: Going, going — gone!

    The Americas have at last shed a major childhood scourge: measles. The viral infection used to kill hundreds of children each year. Now the hemisphere only sees cases spread by travelers.

  10. Health & Medicine

    Zika can damage the brains of even adults

    The Zika virus can damage a developing baby’s brain. The infection can also kill off an important type of cells in adult brains, a new mouse study finds.

  11. Health & Medicine

    End of Latin America’s Zika epidemic is in sight

    A computer simulation suggests the Zika epidemic in Latin America is peaking and may not strike hard again for up to three decades.

  12. Health & Medicine

    U.S. mosquitoes now spreading Zika virus

    Scientists had worried that if people sick with Zika came to America, local mosquitoes might bite them and spread the disease. That’s now happened.