Experts gave insights on potential scenario if future colonies outside Earth have exhausted all of their food resources, and what we can do about it today.
Though researchers have studied the four natural satellites orbiting around Jupiter, a new set of images courtesy of the NASA/ESA Hubble Space Telescope reveals a rare new view of three of the moons in action. In a rare, and short-lived event, three of the moons moved across the striped face of the gas giant, casting shadows on the planet below.