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March 23, 2020
Mercury’s greatest morning elongation on March 24
Mercury, though sitting way below the morning planets Mars, Jupiter and Saturn in the morning sky, swings out to its maximum elongation from the sun for the year on March 24, 2020.
March 23, 2020
Our favorite moon and planets photos from March 16 to 21
The moon swept past the morning planets last week, and the EarthSky Community did a great job capturing each day's view. Thanks to all who contributed photos to EarthSky Community Photos and to our Facebook page!
March 21, 2020
A year of sunrises
We're between the extremes now, in a place of balance, near an equinox. This composite image shows how the sun moves along your horizon each day at sunset and sunrise, as Earth moves in orbit around the sun.
March 21, 2020
Meet the giant exoplanet where it rains iron
The temperatures on the day side of giant exoplanet WASP-76b are scorching, high enough for metals to be vaporized. But the night side is cooler, and winds carry an iron "rain" from the day side to the night side.
March 21, 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
What’s cool about Curiosity’s discovery of organic molecules on Mars
The Curiosity rover has found organic molecules called thiophenes, which, on Earth, are associated with biological systems. Are they evidence for once-living microbes on Mars?
March 19, 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
Have the first proteins been found in meteorites?
Researchers say they've discovered the first complete proteins inside 2 meteorites. It's tantalizing, since proteins play a key role in the cells of living creatures. But will the results hold up to scrutiny?
March 17, 2020
