Comet Siding Spring (NASA video) On Oct 19th, Comet Siding Spring (named after the Australian observatory that discovered it) will come within 88,000 miles of Mars. A longer and more technical version can be found here. The various orbiters circling Mars will hide behind Mars as the comet goes by! Space.com has a video about that here. ("Mars Comet Fly-by: Orbiters to 'Duck And Cover' Behind Planet") Another video tells how to see all this through home telescopes. Going in Astronomy.
What's Next for NASA: Planned Missions Through 2030 In honor of NASA's Anniversary we put together this infographic that shows NASA's planned expeditions through Do you think man will travel to Mars by