A nuclear war isn't winnable, says a recent study. It would lead to a new ice age, killing algae at the base of the ocean food chain and blocking shipping ports with ice.
What's that bright star by the moon on the mornings of September 22, 23 and 24, 2022? The crescent moon is near Regulus, the brightest star in Leo the Lion.
Media we love: EarthSky editors recommend "A Cloud a Day," a gorgeous book for those who love to gaze upward, filled with rich photos and informative text.
Scientists have confirmed the existence of space diamonds known as lonsdaleite, and they said they were created when a dwarf planet and asteroid collided.
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.
Kelly Kizer Whitt - EarthSky’s nature and travel vlogger on YouTube - writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.