NASA to crash spacecraft onto Mercuryโ€™s surface [VIDEO]

NASAโ€™s Messenger spacecraft, which made history four years ago when entering the orbit around Mercury, is preparing to crash onto the planetโ€™s surface later this month, NASA said Thursday. The car-sized probe will become the first human-made object to fall to Mercuryโ€™s surface.๏ปฟ