The oceans wore a green hue billions of years ago and if cameras existed, Earth would have looked emerald green from up above ...

Earth Day is held on April 22 with this year’s being the 55th anniversary of the first in 1970. It began during a time of great public protest in this country due to the Vietnam War, the Nixon ...

Each dot emits a different color depending on its size. (Image: RNGS Reuters/Nanosys) Quantum dots are artificial nanostructures that can possess many varied properties, depending on their material ...