Earth's Systems

  1. Earth

    Deep drilling at sea

    Drilling holes deep into the seafloor unveils the ocean's past and hints at Earth's future.

    By Kate Ramsayer
  2. Climate

    A dire shortage of water

    Parts of the southwestern United States are in the middle of the worst drought in at least 500 years.

    By Emily Sohn
  3. Earth

    Distant quake changes geyser eruptions

    An Alaskan earthquake changed the timing of geysers thousands of miles away.

    By Emily Sohn
  4. Humans

    A human migration fueled by dung?

    When people crossed from Asia to the Americas thousands of years ago, burning dung may have kept them warm.

    By Emily Sohn
Use up and down arrow keys to explore.Use right arrow key to move into the list.Use left arrow key to move back to the parent list.Use tab key to enter the current list item.Use escape to exit the menu.Use the Shift key with the Tab key to tab back to the search input.