Yahoo : Considering the difficulties of getting even relatively small spacecraft like the SpaceX Dragon into orbit, the idea of launching larger interplanetary craft from Earth's surface seems especially daunting. To address this, NASA thinks that future spacefaring vehicles could actually construct themselves after they've launched using onboard 3D printers, eventually transforming into ships much larger and more complex than anything that could ever be built on the planet.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Engineers expect to lose contact with the private US moon lander Odysseus on Tuesday, cutting short the mission after its sideways touchdown last week.
NASA announced Tuesday that a $32.7 million Capstone spacecraft intended to try out a skewed lunar orbit had lost contact, but agency engineers are confident
