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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
Moon sweeps past 4 planets before sunup March 17-20
Enjoy the great sky show in the east before sunrise on March 17, 18, 19 and 20, 2020. The moon will appear as a thinner crescent each morning as it parades by the four morning planets: Jupiter, Mars, Saturn and Mercury.
March 16, 2020
What if super-puff planets have rings?
All 4 of the gas giant planets in our solar system - Jupiter, Saturn, Uranus, and Neptune - are known to have rings. Could many of the so-called super-puff or cotton candy exoplanets have rings instead of super low densities?
March 16, 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
Last quarter moon and planets before sunrise March 16
Look outside before dawn on March 16, 2020 for the last quarter moon. Its illuminated side will be pointing at the planets Jupiter, Mars and Saturn. Some people will catch Mercury, too, shortly before sunrise.
March 15, 2020
Moon and Antares before sunup March 15
Let the moon show you Antares, the red supergiant star, on the morning of March 15, 2020. If your sky is fairly dark, see if you can make out the graceful shape of Antares' constellation - Scorpius the Scorpion - in the moon's glare.
March 14, 2020
See moon, Spica before bedtime March 11
From around the world tonight, use the waning gibbous moon to locate Spica, the brightest star in the constellation Virgo the Maiden.
March 11, 2020
