Credit: Space.com

A mysterious pulsar about 18,000 light-years from Earth is providing researchers with clues about the rapidly spinning neutron stars. "For the first time we see both X-rays and extremely fast radio pulses from the one pulsar. This is the first direct evidence of a pulsar changing from one kind of object into another -- like a caterpillar turning into a butterfly," said Simon Johnston of the Commonwealth Scientific and Industrial Research Organization in Australia.

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