Other planets in our solar system can masquerade as Earth from afar

'Planet confusion' could slow Earth-like exoplanet exploration

Five commercial teams selected by NASA to develop designs for deployable solar array systems to be used on the surface of the moon and one day as charging stations to recharge rovers, battery packs and other electrical equipment used by spacecraft and astronauts.

MIT Scientists Zero In on the Origins of Earth’s “Single Most Important Evolutionary Innovation”