News

  1. Astronomy

    The James Webb telescope found ‘Green Pea’ galaxies in the early universe

    The James Webb telescope spotted tiny “green” galaxies that might have helped trigger a dramatic cosmic makeover more than 13 billion years ago.

    By Lisa Grossman
  2. Planetary Science

    Methylated gases could be an unambiguous indicator of alien life

    On Earth, methylated gases are produced by organisms cleaning up their environment — and by little else. The same might be true on some exoplanets.

    By James R. Riordon
  3. Health & Medicine

    4 key things to know about lung infections caused by fungi

    News that three kinds of fungi are more widespread than previously thought prompted reader questions about risk, symptoms and more.