By James A. Lyons
By arming the rebels, we're aiding al Qaeda
Astronauts have a down-to-Earth problem that could be even worse on a long trip to Mars: They can't get enough sleep. And over time, the lack of slumber can turn intrepid space travelers into drowsy couch potatoes, a new study shows.
NASA astronaut Scott Kelly is already bracing for an unprecedented one-year mission aboard the International Space Station. He figures it will be as grueling as climbing Mount Everest.
A former space shuttle commander whose twin brother is married to former Rep. Gabrielle Giffords will attempt the longest spaceflight ever by an American.
The U.S. and Russia named the two men on Monday who will spend a year aboard the International Space Station to gather more data on the impact of outer space on humans to help prepare for future interplanetary missions.

A former space shuttle commander whose twin brother is married to former Rep. Gabrielle Giffords will attempt the longest spaceflight ever by an American.
The United States and Russia on Monday named the two men who will spend a year aboard the International Space Station to gather more data on the impact of outer space on humans to help prepare for future interplanetary missions.

A former space-shuttle commander whose twin brother is married to former Rep. Gabrielle Giffords will attempt the longest spaceflight ever by an American.

A Russian Soyuz capsule carrying three astronauts who lived six months on the International Space Station touched down safely, but one day late, Saturday morning in the cloudy, central steppes of Kazakhstan.
A manned Soyuz capsule with two Russian cosmonauts and an American astronaut onboard has successfully undocked from the International Space Station after the crew resolved glitches that had prevented departure a day earlier.
The return of three astronauts to Earth onboard a Soyuz capsule from the International Space Station has been delayed after crew ran into problems while undocking.
Two Russian cosmonauts on Tuesday completed a nearly 7-hour-long spacewalk to replace a video camera and improve cable connections to the orbiting laboratory's newest module.
Two Russian astronauts have exited the international space station for a spacewalk intended to replace a video camera and improve cable connections to the orbiting laboratory's newest module.
"A year is a serious time," Kornienko said in Russian.
But he said his doubts did not last long, "and actually it was my initiative."