Last month was the 2nd warmest November in the 140-year global climate record, and polar sea ice coverage shrank to near-record lows, according to a NOAA report. .
A new kind of magnetic explosion, called forced magnetic reconnection, was seen for the first time in images from NASA’s SDO spacecraft. Learn more in this beautiful video.
Remember comet 46P/Wirtanen? It was a bright comet about this time last year. Around the time it swept near the Earth and sun, the comet entered the field of view NASA’s TESS planet-hunter. And boom! It underwent an outburst, caught by TESS.
Why should we care about the new findings - released this week - from NASA's Parker Solar Probe? This new NASA video explains how the solar wind - a stream of charged particles from the sun - affects earthly astronauts and technologies.
The 2019 Atlantic hurricane season, which ended on November 30, produced 18 named storms, including 6 hurricanes, 3 of which were major (Category 3, 4 or 5).
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.