Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.
Green Matters on MSN
Scientists finally find a way to track space junk before it hits people on Earth
Networks of seismometers pick up on vibrations of debris to map their trajectory on Earth.
Astronomy on MSN
Now we can track space junk as it falls to Earth
Seismometers - equipment designed to pinpoint earthquakes - are now being used to track the thousands of pieces of human-made ...
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