ESO released new images of Kleopatra, the dog-bone asteroid. The images helped astronomers uncover its size and composition, revealing that it's a rubble pile.
What is gravitational lensing? When a massive object bends space, light traveling through the warped space results in rings, arcs or many points of light.
Capture the Atlas announced its 2021 Milky Way Photographer of the Year. This annual edition showcases 25 of the best Milky Way photos from around the world.
Interstellar objects may dominated the Oort Cloud, according to two scientists from Harvard. Their calculations are based on the interstellar comet Borisov.
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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