Mars' dust may hold the key to 3D printing technology there.

one day be able to manufacture tools and rocket

parts in space, scientists claim to have put a strong

titanium alloy and a small amount of replicated

Martian regolith into a 3D printer. … Anything sent into space must be pricey

According to study published this summer in the International

Journal of Applied Ceramic Technology, NASA spent

around $54,000 per kilogramme only to send

something into Earth's orbit using space shuttles,

whereas SpaceX advertises rates for launching a 200kg cargo starting at $1.2 million.

Khachanov defeats Kyrgios in 5 sets; the semifinal opponent will be Ruud.