Astronomers have confirmed the discovery of the nearest rocky planet outside of our solar system.
There’s a solar power boom in America, and we need to take full advantage of it
The pilots of the Solar Impulse 2, the plane attempting to fly around the world using only solar power, say they’re halting their journey until 2016.
An imposing canopy of artificial trees up to 50 meters is high towering over a vast urban oasis.
Five days, five nights, one pilot — and no fuel.
How much can you pack on top of one rocket? A United Launch Alliance Atlas V is carrying up the U.S. Air Force’s so-called secret space plane, The Planetary Society’s solar sail, and several CubeSats, or tiny satellites.