Rotary valve could help propel craft to Mars one day

(Phys.org) —A rotary fuel delivery valve developed by a UAHuntsville team led by Dr. James Blackmon just might help us get manned space flights out of our immediate neighborhood one day, and he says it could have practical ...

NASA fuels Discovery for flight to space station

(AP) -- NASA fueled space shuttle Discovery for a night flight to the international space station Wednesday, following a month's delay to make sure the ship's valves are just right.

NASA aims for March 12 space shuttle launch

NASA is aiming to launch the space shuttle Discovery next month after repeated delays caused by critical valves. Shuttle managers said Wednesday they hope to launch on March 12, a full month after the original launch date ...

Silver coating kills bacteria on campus door handles

Can a door handle keep you healthy? That depends on what's on it. Most are teeming with bacteria: staph, E. coli, Enterococcus and sometimes even Salmonella. That stuff can make you sick.

NASA hopeful repairs will permit Sunday launch

(AP) -- NASA is unsure what caused the hydrogen gas leak that prevented space shuttle Discovery from flying, but nonetheless will attempt another launch Sunday.