Asteroids Kept Earth Molten, Blocking Continents

Tropical Forests Absorb Less CO2 Than Feared

Human Activity Drives Record Warming: Urgent Action Needed

Astronaut Shares Ethereal Aurora Footage

Earth's Water Crisis: Frozen Reserves Out of Reach

Exoplanet Winds Hint at Invisible Magnetic Fields

Space Lightning: Earth's Nighttime Light Show from Orbit

Earth's Spin Slowing: Melting Ice Accelerates Day Length

Masters of the Universe: A New Era Begins