Spacecraft aiming to land on Mars have skipped past the planet, burned up on entry and smashed into the surface. On Thursday, NASA will attempt its hardest Martian touchdown yet, landing an unmanned spacecraft to search for signs of life. (Feb. 17)
Subscribe for more Breaking News: http://smarturl.it/AssociatedPress
Website: https://apnews.com
Twitter: https://twitter.com/AP
Facebook: https://facebook.com/APNews
Google+: https://plus.google.com/115892241801867723374
Instagram: https://www.instagram.com/APNews/
You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/35b74dc199d6468689d94b8d60fb02c0