News

  1. Animals

    A tiny crustacean fossil contains roughly 100-million-year-old giant sperm

    Giant sperm preserved in an ancient ostracod may be the oldest known sperm fossil, showing that giant sperm have existed at least 100 million years.

    By Curtis Segarra
  2. Health & Medicine

    What will happen when COVID-19 and the flu collide this fall?

    As the Northern Hemisphere braces for a coronavirus-flu double hit, it’s unclear if it’ll be a deadly combo or one virus will squeeze out the other.

    By Tina Hesman Saey
  3. Environment

    What we know and don’t know about wildfire smoke’s health risks

    As wildfires become more frequent and severe in California, Oregon and throughout the West Coast, concerns rise about harmful air pollution.