News

  1. Paleontology

    Some pterosaurs may have boasted bold iridescence

    A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and magentas.

    By Taylor Mitchell Brown
  2. Health & Medicine

    A drug may help people on GLP-1 meds preserve muscle

    In a clinical trial, an experimental antibody reduced lean-mass loss in people on a GLP-1 drug. Whether that improves health is unclear.

    By Meghan Rosen
  3. Math

    AI cracked an Erdős math problem. Now experts want guardrails

    The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open to everyone.

    By Kathryn Hulick
  4. Space

    NASA declares MAVEN, its Mars atmosphere orbiter, dead

    Over more than a decade at Mars, the orbiter revealed how the solar wind strips away the planet’s atmosphere — and why the world lost its water.