SHARE THIS VIDEO —
NASA Moves Satellites Away From Mars-Bound Comet
A comet called "Siding Spring" is making an unusually close pass by Mars.
we and our partners use cookies on this site to improve our service, perform analytics, personalize advertising, measure advertising performance, and remember website preferences. by using the site, you consent to these cookies. for more information on cookies including how to manage your consent visit our cookie policy.