A Moment of Science
Contrary to what fairy tales tell us, there is nothing holding the moon up in the sky. So why doesn't it fall down? 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.
It seems to be possible for planets in a stable solar system to somehow get off track and run into each other. Is our planet in danger?
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?
NASA is planning to send astronauts back to the moon fairly soon. However, there are a few kinks to work out, like what to do about moon dust.
The startling experience of five British monks from the twelfth century who saw an enormous explosion occur on the moon. The moon still be vibrating today.
How many times have you actually seen a star explode or a asteroid at night? Have ever learned about how the records of these events are taken? Then tune in.
The relatively small Earth, with its sizable moon, is the only planet we know of with life on it. Coincidence?
The sun may be far away, but its solar flares still present a deadly risk for astronauts going to the moon.
Why don't lakes have tides as well? To answer this question, we need first to explore what causes ocean tides.
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