"Even one of these gigantic glacier avalanches is very unusual. Two within close geographical and temporal vicinity is, to our best knowledge, unprecedented."
Learning to pull strings for food is often used to test the intelligence of apes and birds. Turns out, bees can learn it too, and pass the skill on to other bees.
Scientists used earthly telescopes to track hot spots on Io over a period of years and saw that it remains the most volcanically active world in our solar system.
This little guy looks like a big-eyed mouse, but a new genetic analysis puts tarsiers on the branch of the primate evolutionary tree that leads to great apes and humans.
The distant exoplanets known as "hot Jupiters" orbit their stars so tightly that they're perpetually charbroiled. Plus they keep one face toward their stars.
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.