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Comet C/2020 M3 (Atlas) is closest November 14
Discovered last June, Comet C/2020 M3 (Atlas) is closest to Earth - millions of miles away - on Saturday, November 14, 2020. It's in an easy-to-find location, if you have a dark sky. Charts and photos here.
November 14, 2020
Bridenstine to step down as NASA administrator
Jim Bridenstine is leaving the post of NASA chief administrator.
November 12, 2020
Boom! Bam! Boom! How to make a triple crater on Mars
Like many worlds in our solar system, Mars has prominent impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express: an ancient triplet composed of 3 overlapping craters.
November 11, 2020
Meet the hell planet with a magma ocean and rocky rain
Exoplanet K2-141b is fiery hot world that circles so close to its star that 1 side of the planet features a deep ocean of molten lava. Meanwhile, the other side is freezing cold.
November 11, 2020
The International Space Station is 20 and going strong
20 years ago, three astronauts stepped aboard the ISS. It's since hosted residents from many countries, creating humanity’s first history of living in space.
November 9, 2020
Ancient life signs under dinosaur-killing Chicxulub crater
Researchers have found evidence for an ancient microbial ecosystem in a hydrothermal system beneath Mexico's Chicxulub Crater, thought to be the site of the impact that killed the dinosaurs 66 million years ago.
November 7, 2020
The sun is becoming active again
EarthSky community members have captured the giant sunspot region - AR 2781 - currently making its way across the sun's visible surface.
November 7, 2020
Hubble telescope reveals asteroid Psyche’s rusty surface
Scientists already had Psyche classified as a metallic asteroid, but new observations with the Hubble telescope reveal its rusty surface and provide scientists with a unique view into what Earth-like planets are like during their formation.
November 6, 2020
NASA re-establishes contact with Voyager 2 spacecraft
On October 29, NASA re-established contact with its Voyager 2 spacecraft, after the probe was left flying solo for 7 months while repairs were made to the radio antenna in Australia used to control it.
November 6, 2020
How Jupiter’s moon Io gets its hellish atmosphere
Hot, active volcanoes produce almost half of Jupiter's moon Io's sulfur atmosphere, according to new observations using the ALMA telescope. The rest comes from cold sulfur deposits that freeze on the surface, then sublimate in sunlight.
November 5, 2020
