Show Details


June 30, 2006

This distant supernova, first observed in 1987, was captured by the Hubble Space Telescope just a few years ago.  Now, astronomers believe they've found a picture of a supernova that dates back 1,000 years. (NASA-Marshall Space Flight Center)

An ancient astronomical record, chewing gum that fights cancer, a new way to weigh the elderly, the shifting jet streams, and how killer whales use sound to hunt.


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