CAPE CANAVERAL, FLA. – Two space station astronauts popped in a new pump during a rare Christmas Eve spacewalk Tuesday, eager to wrap up urgent repairs to a cooling system. It was the second spacewalk in four days for U.S. astronauts Rick Mastracchio and Michael Hopkins, and only the second [...]
Two NASA spacewalkers started fixing the International Space Station's cooling system more quickly than expected on Saturday, with no sign of the helmet-flooding problem that led NASA to outfit astronauts with snorkels for the first time. Astronauts Rick Mastracchio and Mike Hopkins finished the first of three planned spacewalks in [...]
The bone-dry desert of present-day Mars may seem like the last place you would look for water, but the Red Planet actually contains a wealth of water locked up in ice. Evidence that Mars once supported liquid water has been mounting for years, and exploratory missions have found that water [...]
The Government Accountability Office on Thursday rejected a protest from the Blue Origin space venture that has been holding back action on NASA's plan to hand over control of its historic Launch Complex 39A to a commercial operator. The decision is a setback for Blue Origin, which is backed by [...]
