Hubble's Decades-Long Look at Mars Reveals Much About the Red Planet (Video)

Mars is at opposition with the Earth this Sunday (May 22), meaning the Red Planet and the Blue Marble are at their closest proximity to each other as they orbit the sun. In celebration of this event, the Hubble Space Telescope snapped a new picture of Mars. Space.com spoke with Jennifer Wiseman, a NASA Hubble senior scientist, about the benefits of observing Mars with different instruments, and the insights that Hubble has given scientists about our own solar system.