Could alien soils make spacecraft heat shields?

NASA scientists will next week test whether a heat shield made from the soil of the moon, Mars or an asteroid could stand up to a plunge through Earth's atmosphere.

Inflatable heat shield passes NASA test

NASA's successfully tested a revolutionary inflatable heat shield, taking it safely through Earth's atmosphere at up to 7,600 mph.

Lockheed Martin designs world's largest heat shield

Engineers at Lockheed Martin have successfully completed fabrication of the world's largest heat shield.