'Bummed out': SpaceX launch scrubbed because of bad weather

The launch of a SpaceX rocket ship with two NASA astronauts on a history-making flight into orbit was called off with less than 17 minutes to go in the countdown Wednesday because of thunderclouds and the risk of lightning.

Liftoff: 1st US shipment in months flying to space station

A U.S. shipment of much-needed groceries and other astronaut supplies rocketed toward the International Space Station for the first time in months Sunday, reigniting NASA's commercial delivery service.

Experts explore the medical safety needs of civilian space travel

The commercial aviation industry has medical care standards, as does NASA for traditional space missions, and the emerging commercial space transportation industry will need to define medical care practices as well. The unique ...

Is space tourism safe or do civilians risk health effects?

Several companies are developing spacecraft designed to take ordinary citizens, not astronauts, on short trips into space. "Space tourism" and short periods of weightlessness appear to be safe for most individuals according ...

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