Uncategorized

  1. Climate

    Globetrotting tourists are leaving a giant carbon footprint on the Earth

    Globetrotters are responsible for about 8 percent of the world’s greenhouse gas emissions.

    By Carolyn Gramling
  2. Animals

    Here’s how to use DNA to find elusive sharks

    Hard-to-find sharks that divers and cameras miss appear in genetic traces in the ocean.

    By Susan Milius
  3. Tech

    This self-driving car could one day take you on a real road trip

    Most autonomous cars are city drivers. This one’s made for cross-country road trips.

    By Maria Temming
  4. Planetary Science

    Getting NASA’s Pluto mission off the ground took blood, sweat and years

    Alan Stern talks about the new book ‘Chasing New Horizons’ and what’s next for the spacecraft that got close to Pluto.