Planting trees and plants on Mars is a long shot, but this scientist's plan is to build one. A civil engineering professor over at the University of Bristol, United Kingdom, has proposed a new venture for Mars, and it centers on a "forest bubble" where plants and trees are contained inside.
The asteroid activity around Earth has increased lately. Now, NASA has issued a warning that another asteroid - approximately the size of an aeroplane - is on its way to Earth and will reach its closest approach today, August 28.