On Jan 30, the moon moved between NASA's Solar Dynamics Observatory (SDO) and the sun, giving the observatory a view of a partial solar eclipse only visible from space.
Scientists have analyzed the genomes of two of the world's most devastating plagues - each killed about half the people in Europe. The findings suggest a new strain of plague could emerge in humans again.
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.