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Moon near Spica on December 18
Look for the waning crescent moon near Spica on the morning of December 18, 2022. Spica is the brightest star in Virgo the Maiden.
December 17, 2022
Did Viking 1 land on debris from an ancient megatsunami?
An international team of researchers said that when NASA's Viking 1 lander touched down on Mars in 1976, it landed near an ancient megatsunami deposit.
December 16, 2022
How plants control their ‘mouths’
Scientists have learned from new research how plants control their 'mouths.' That is, they've learned the mechanism that lets plants breathe in carbon dioxide.
December 15, 2022
See all 5 bright planets in December 2022
You can see all 5 bright planets in the evening sky now (December 2022). Mercury and Venus are nearest the sunset. By the year's end, the waxing moon will sweep past them.
December 15, 2022
Enceladus’ ocean even more habitable than thought
NASA-supported researchers say that Enceladus' ocean is moderately alkaline like Earth's oceans, increasing the possibility of life existing in that dark abyss.
December 15, 2022
More evidence Mars is still volcanically alive
Researchers at the University of Arizona have found a massive plume of hot rock below the surface of Mars, showing that the planet is still volcanically active.
December 12, 2022
Hydrus the Lesser Water Snake in southern skies
Hydrus the Lesser Water Snake lies between the Large and Small Magellanic Clouds in Southern Hemisphere skies. Learn more about Hydrus.
December 12, 2022
Splashdown! Artemis 1 Orion returns from its trip around the moon
The uncrewed Orion moonship has traveled around the moon and returned safely to Earth. The Artemis 1 splashdown was in the Pacific Ocean on December 11, 2022.
December 11, 2022
Moon and Lion early this week
You can see the moon and Lion - near the famous Sickle asterism in the constellation Leo - early on December 13 and 14, 2022.
December 11, 2022
Peekaboo Galaxy emerges from behind a star
The Peekaboo Galaxy, discovered after emerging from behind a fast-moving star, has an extremely low amount of metal. Read more about it here.
December 11, 2022
