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Posts by
Editors of EarthSky
Geminid meteors best on December 13-14
The shower is best around 2 a.m., but watch from late evening until dawn. The best morning is likely December 14, 2020.
December 13, 2020
Photos of 2020’s Leonid meteor shower
EarthSky Community members around the world are sharing their photos of this year's Leonid meteor shower. Beautiful! Thanks to all who contributed.
November 21, 2020
Does Europa glow in the dark?
The icy surface of Jupiter’s moon Europa may glow on its nightside, the side facing away from the sun.
November 19, 2020
Huge iceberg A-68A nears South Georgia Island
Scientists watch as A-68A, currently the planet’s largest iceberg, approaches a remote island in the southern Atlantic Ocean.
November 19, 2020
New NASA posters feature cosmic frights for Halloween
Check out these 3 new posters from NASA’s Galaxy of Horrors, featuring cosmic frights for Halloween. They’re free to download, and available in English and Spanish.
October 29, 2020
Top 10 things to know about asteroid Bennu
Take a video tour of asteroid Bennu’s remarkable terrain and read a list of 10 cool things scientists know about this pristine remnant from the early days of our solar system.
October 22, 2020
What is interstellar space?
Interstellar space isn't just vacuum. It's full of gases, elements, and dust - very thinly spread, to be sure - but the building blocks of stars and planets.
October 10, 2020
Follow the Perseverance rover in real time on its way to Mars
Keep track of where NASA's Mars 2020 Perseverance is on its journey through space toward its February 18, 2021, landing on Mars. This web app shows you where spacecraft is right now.
September 12, 2020
Sun halo with birds
Scientists call them 22-degree halos, because the shining ring around the sun (or moon) has a radius of approximately 22 degrees.
August 30, 2020
