Space.com

What Is Earth Made Of?

Earth has multiple layers, consisting of the core, mantle and crust.

ASRC 3D Prints Fuel Injector Prototype for RD-180 Successor

ASRC of Beltsville, Md., has test fired a subscale propellant injector built via 3D printing, paving the way for a version that could support whichever engine United Launch Alliance chooses to replace the Russian-built RD-180 on the Atlas 5 rocket.

Russian Cargo Ship Launches Fresh Food & More to Space Station

After a two-day delay, robotic Russian cargo ship launched into orbit Saturday (Oct. 14) to deliver nearly 3 tons of fresh food, equipment and other supplies to astronauts and cosmonauts on the International Space Station.

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