Russian computers on the International Space Station have developed a series of glitches, perhaps due to the feed from the new American-built power systems installed by the Space Shuttle Atlantis crew. The two cosmonauts on board and their mission controllers hope to successfully reboot the system tomorrow (Friday). In a worst-case scenario, the station might need to be abandoned temporarily, but that is considered very unlikely at this point. (A report just in at 2300 EST says the computers have been partially reset.)
Meanwhile, American astronauts James Reilly and John "Danny" Olivas will perform a spacewalk tomorrow, with one objective being to make a minor repair on the Shuttle's thermal insulation blanket.