You can have the best down comforter, splurge on luxury sheets, and do everything humanly possible to ensure that you get a good night's sleep, but that won't make waking up in the morning any easier.

NASA, always on the lookout for good publicity, has made a cottage industry out of the wake-up music it uses to rouse crews orbiting the earth. They recruit artists to record messages that are played ...

There's a new documentary about the Opportunity rover's life on Mars. "Good Night Oppy" is available for streaming November 23. The film highlights how mission scientists created a wake-up playlist ...