News tagged with human space exploration

J-2X nozzle extension goes the distance

(Phys.org) -- NASA engineers conducted a 550-second test of the new J-2X rocket engine at Stennis Space Center in Mississippi on July 13. The J-2X engine will power the upper-stage of a planned two-stage Space ...

Jul 16, 2012
5 / 5 (3) 1

J-2X engine continues to set standards

(Phys.org) -- Testing of the next-generation J-2X rocket engine continues to set standards. Last fall, the engine attained 100 percent power in just its fourth test and became the fastest U.S. rocket engine ...

May 28, 2012
4.5 / 5 (2) 0

Bringing Mars back to Earth

The search for life should be an essential component of a sample return mission from Mars, according to a recent report examining the science behind such a venture.

Apr 20, 2012
4.4 / 5 (8) 13 | with audio podcast

Finding ET may require giant robotic leap

(Phys.org) -- Autonomous, self-replicating robots -- exobots -- are the way to explore the universe, find and identify extraterrestrial life and perhaps clean up space debris in the process, according to a Penn State engineer, ...

Apr 18, 2012
3.9 / 5 (7) 6 | with audio podcast