Nasa in tangle over tech tests for Mars landings

Nasa has tested new technology that could potentially be used in Mars landings.

The saucer-shaped vehicle rocketed high over the Pacific on Saturday and deployed a novel inflatable braking system, but its massive parachute failed to fully unfurl as it descended to a splashdown.

Control room cheers that greeted successful steps in the complex test rapidly died as the parachute appeared to emerge tangled.