Uranus and Neptune have weird magnetic fields — this might be why

In 1986 and 1989, Voyager 2 made the final two stops on its grand tour of the outer solar system when it swept by Uranus and Neptune, respectively. Now, nearly 40 years later, the archive of data the craft collected is still returning unexpected results.  In a paper published today in PNAS, astronomer Burkhard MilitzerContinue reading “Uranus and Neptune have weird magnetic fields — this might be why”
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