Add Yahoo as a preferred source to see more of our stories on Google. Did you notice a bright streak in the sky or hear a faint sonic boom in San Luis Obispo County last night? If so, what you ...

This story was updated at 11:04 a.m. EDT. The world's first commercial space cargo ship, the unmanned Dragon capsule, has begun its return trip from the International Space Station back to Earth today ...

While many in the industry were at first skeptical of NASA’s goal to put resupply flights to the International Space Station in the hands of commercial operators, the results speak for themselves.

Did you notice a bright streak in the sky or hear a faint sonic boom in San Luis Obispo County last night? If so, what you witnessed was a four-person NASA space crew returning to Earth aboard the ...