Orbital refueling could unlock long-distance space travel, but microgravity and cryogenics make it one of aerospace's ...

His art, which beautifully combines mathematics, physics, stargazing and space exploration, is particularly relevant to us who work in the world of space," Densing said.

Kid Koala’s wordless debut is a tender, visually striking tale of connection across distance.

Yes, astronauts have to drink water that used to be pee – but their urine is treated extensively, until it is safer to drink than some tap water on Earth.

The Pacific Northwest that became my home in 1992 appears, from the distance of 32 years, to be in a rapidly receding snow globe. It was a colder place. Blizzards during winter were not unusual.