News

  1. Environment

    Federally unprotected streams contribute most of the water to U.S. rivers

    A 2023 U.S. Supreme Court ruling that ephemeral streams aren’t protected by the Clean Water Act could have sizable ripple effects, a study suggests.

    By Claire Yuan
  2. Cosmology

    Strange observations of galaxies challenge ideas about dark matter

    A new look at how light bends as it travels through the universe could point to an alternative theory of gravity.

    By Adam Mann
  3. Health & Medicine

    Some people have never gotten COVID-19. An obscure gene may be why

    A trial that purposely exposed volunteers to COVID-19 revealed key immunological differences that may explain why some people can dodge SARS-CoV-2.