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Ancient 4-limbed fish reveals origin of human hand
The origin of digits in land vertebrates is hotly debated, but a new study suggests that human hands likely evolved from the fins of Elpistostege, a fish that lived more than 380 million years ago.
March 27, 2020
Producing solar power at night
Scientists have developed a new prototype of nighttime solar cells that can produce electricity at night through a radiative cooling mechanism.
March 25, 2020
More essential coronavirus links: March 17-23
A roundup of information from physicians, scientists and journalists, from March 17 to 23, 2020.
March 23, 2020
Cheery thoughts for a scary time
Some astronomy thoughts to distract you from quarantine life under the coronavirus plague, from Guy Ottewell.
March 23, 2020
Submit your #SocialDistanceSelfie
How're you doing out there? We want to see you and hear from you! Post your selfie at EarthSky Facebook, or at EarthSky Community Photos, or in the comments section of this post.
March 23, 2020
A Chinese perspective on spring
In Chinese thought, spring is associated with the direction east, the sunrise direction as Earth spins us toward the beginning of each new day.
March 20, 2020
Watch 2 penguins explore closed Chicago aquarium
You'll love this video of a couple of penguins openly exploring Chicago's Shedd Aquarium, closed due to COVID-19.
March 19, 2020
Explore the universe from home
Explore NASA's online activities, e-books, podcasts and other content.
March 19, 2020
Social distancing: What it is and why it’s the best tool to fight coronavirus
With no vaccines or treatments, the fight against coronavirus comes down to this behavioral technique. A physician explains how it works.
March 15, 2020
Ancient humans in India survived Toba super-volcano eruption
The Toba super-volcano eruption 74,000 years ago was 5,000 times larger than that of Mount St. Helens. Somehow, ancient human populations in India survived it.
March 10, 2020
