NASA managers say they're still troubleshooting a problem with a coolant pump aboard the International Space Station — and although the crew is not in any danger, a commercial cargo flight might have ...

Multiple alarms woke the space station's crew late Saturday after one of two coolant loops shut down, forcing the astronauts to power down critical systems. Two spacewalks are being planned to fix the ...

Toyota is fixing the pumps that cool the hybrid system in 650,000 Prius cars - the Japanese automaker's prized green vehicle - but is adamant the repair being carried out worldwide isn't another ...