Technology Tuesday: February 28

Every week The Job Shop Blog will bring you our 5 top science and technology news stories from around the web. This week: NASA Found a solar system with 7 Earth-like planets, SpaceX is launching tourists to the moon, computers that can code themselves, AIs are helping to save lives, and robot teachers could be commonplace by 2030. Scientists working with telescopes at the European Southern Observatory and NASA announced a remarkable new discovery: An entire system of Earth-sized planets. If that's not enough, the team asserts that the density measurements of the planets indicates that the six innermost are Earth-like rocky worlds. Three of the planets lie in the star's habitable zone.