Scientists using satellite images found brown poop stains that led to a surprise discovery of four emperor penguin colonies. But all is not well in Antarctica.
A new study analyzed the motions of satellite galaxy pairs around a large galaxy group and showed the universe may be younger than the standard model predicts.
Peregrine was meant to be the 1st commercial lunar lander. Then controllers noticed a fuel leak. Yesterday, the spacecraft came home, making a fiery Earth reentry.
A new study, not yet peer-reviewed, suggests the Small Magellanic Cloud may not be 1 galaxy but 2 star-forming regions superimposed along our line of sight.
Learn about Michael Carroll's book Planet Earth, Past and Present. The richly illustrated book looks at history, habitability, our solar system and more.
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.
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