Europa, one of Jupiter’s moons long considered a promising site for extraterrestrial life, may not have the conditions necessary to support life, according to a new study. Despite its vast subsurface ocean, scientists say the moon’s rocky…

Europa, one of Jupiter’s moons long considered a promising site for extraterrestrial life, may not have the conditions necessary to support life, according to a new study. Despite its vast subsurface ocean, scientists say the moon’s rocky…