News

  1. Earth

    Atmospheric rollercoaster followed Great Oxidation Event

    Analyses of chromium isotopes in banded iron formations suggest oxygen levels fell for a period after the Great Oxidation Event.

    By Sid Perkins
  2. Life

    One coral alga explodes with temperature increase

    A rare species of coral algae exploded in population when ocean temperatures increased, a new study shows.

    By Jenny Lauren Lee
  3. Space

    Panel reports on human spaceflight

    Panel suggests how to get human spaceflight program off the ground.

    By Ron Cowen
  4. Health & Medicine

    Dopamine primes kidneys for a new host

    Giving dopamine infusions to brain-dead organ donors may make transplanted kidneys more resilient, a new study shows.