For the 1st time, scientists measured the amount of organic carbon in rocks on Mars. NASA's Curiosity rover analyzed samples taken from ancient mudstones.
A new experiment aboard the ISS is studying tardigrades - aka water bears - to better understand how they tolerate extreme environments, including the one astronauts experience in space.
NOAA is predicting a busier-than-usual hurricane season for 2021. Although hurricane season officially starts June 1, subtropical storm Ana - which formed early Saturday off the coast of Bermuda - has already become the season’s 1st named storm.
Stone Age artifacts excavated near the shores of Lake Malawi in eastern Africa, combined with evidence drawn from the lakebed itself, provides the earliest evidence of ancient humans using fire to enhance their world.
Every year millions of tons of dust from the Sahara Desert are swirled up into the atmosphere and carried across the Atlantic. Research suggests that, as the climate changes, Saharan dust transport will decrease.
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.