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Dino death due to volcano-asteroid double whammy
A new study says that dino death on Earth - 66 million years ago - was due to a one-two punch from both an asteroid strike and mega volcanoes.
September 14, 2022
Launches: Orbital debris studies to receive NASA funding
NASA said this week it intends to fund 3 university-based research proposals over the coming year, on the issue of orbital debris.
September 13, 2022
Launches: Mammoth BlueWalker 3 satellite heads to orbit
AST SpaceMobile's BlueWalker 3 communications satellite successfully launched to orbit on September 10, 2022. Astronomers are concerned.
September 13, 2022
Webb detects sand clouds for brown dwarf
Webb detects sand clouds in the atmosphere of a star-planet hybrid object known as a brown dwarf. Another 1st! Read why it's important.
September 13, 2022
Western heatwave broken by tropical storm
The western heatwave in the United States was broken by the drenching rain and cooler temperatures brought by Tropical Storm Kay.
September 13, 2022
Starlink satellites can look like a plume or train of light
Have you seen a plume of light soaring through the sky? Or maybe a group of bright dots crossing the night sky together? It's probably Starlink.
September 12, 2022
Dolphins may use whistles like humans use names
Scientists say that whistles that dolphins make may represent individuals, the way humans use names. This discovery is a first. Read more here.
September 11, 2022
Media we love: For All Mankind
Media we love: EarthSky editors recommend For All Mankind, an alternate history depicting what would have happened if the global space race had never ended.
September 11, 2022
2022 was 3rd hottest summer in US
The U.S. just had its 3rd hottest summer on record. From June 1 to August 31, 2022, temperatures averaged 73.9 F (23.2 C). Read more about the summer weather.
September 11, 2022
Popocatépetl volcano erupts twice, spews ash
Popocatépetl volcano has been active - smoking - for some years. But on September 9, 2022, it released ash that could endanger aircraft. See images here.
September 10, 2022
