The winds move at 2 kilometers per second. That's about 7 times faster than the speed of sound and 20 times faster than any winds ever recorded on Earth.
As winter sets in at the south pole of Saturn's moon Titan, a massive ice cloud has been forming. It's the "button" in this image from the Cassini spacecraft.
Scientists report the loss of phytoplankton - at the base of the ocean food web - from this year's strong El Niño. It's all part of a fascinating cycle of boom or bust for marine animals.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.