A Moment of Science
Anyone who spends an extended period of time in space faces serious medical problems due to the near total absence of gravity.
After solving the problem of dining in space, astronauts need to think about the next natural step!
Would food fly off a plate in space? Would astronauts have digestive problems? Learn the science behind space food!
Here's an odd thing about weightlessness: if it were possible to live in the center of the earth we would be weightless there, too!
Did astronauts Jack Lousma and C. Gordon Fullerton see a ghost aboard their shuttle back in 1982? Find out on this Moment of Science.
Of course, most of the technology on Star Trek doesn't exist for real. But at least one cool bit of Star Trek science has been made real.
NASA is planning to send astronauts back to the moon for long missions. How are the astronauts going to stay in shape in zero or low gravity?
Astronauts and people on bed rest can experience gradual bone loss that increases their risk of fracturing a bone. Here's why.
What role do hand gestures play in regular conversation? Find out on this Moment of Science.
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