US
Bennu asteroid, about the size of small mountain, is smallest object ever to be orbited by a human-made spacecraft
SpaceX is contractor for NASA since 2012, ferrying supplies to International Space Station aboard its Dragon ship
The dramatic arrival of the $993 million spacecraft marked the eighth successful landing on Mars in NASA's history
The unmanned spacecraft launched nearly seven months ago
No one is on board the spacecraft, which launched nearly seven months ago and has traveled some 300 million miles
Its goal is to make a series of 24 flybys past our scorching star
Current predictions are that humans will reach Mars in the coming decades
A micro fracture was found, most likely it is damage from the outside, it is the result of a micrometeorite
The car-sized probe is designed to give scientists a better understanding of solar wind and geomagnetic storms
Reason for delay not immediately clear, officials say launch postponed after helium alarm sounded before liftoff