An astronomer at Columbia University is suggesting that because life emerged so soon on Earth after its formation, it may ...

If Earth had massive rings like Saturn, our sky, weather, tides, and even life could be dramatically different. Scientists ...

The land bridge created by mantle-driven uplift gave early primates and other animals opportunities to branch out.

Andrew Lakoff studies how experts—in areas from public health to the environment to security—generate knowledge about and ...

Happy Earth Day, everyone! Today is the 55th anniversary of the home-grown American celebration. It’s not a federal holiday, but an important ...

Earth Day has always been a day that acknowledges our planet, which provides for us, and ways we can protect and preserve its ...