In April 2029, a 20-million ton asteroid once thought to pose a potentially catastrophic collision risk with the Earth will fly by our home. Apophis, named for the Egyptian god of chaos and evil and ...

Billions of years ago, Earth was an uninhabitable rock covered in magma. Scientists are still working to decipher the tale of how it transformed into a blue and green orb teeming with life. However, ...

I remember working on my first Earth Day project as a kid in elementary school in Massachusetts, constructing two huge, makeshift Styrofoam spheres showing what our planet looked like at that time and ...