Spacecraft observations reveal plasma waves moving from Saturn to its rings and its moon Enceladus. Researchers converted a recording of the plasma waves into an audible cosmic whoosh that you’ll enjoy.
Last week, scientists announced the 1st known source for ghostly, high-energy neutrinos. The source is a blazar, a billion-solar-mass black hole 3.7 billion light-years away. The discovery establishes a new way to study the universe.
`Oumuamua is moving faster than expected on its way out of our solar system. Astronomers now think it’s really a comet, venting material from its surface that’s giving the object a small but steady push.