A new study says that Dyson spheres - and, similarly, ringworlds - could be stable in a two-star system. Read more about them and their impact on SETI.
See 10 of the best Milky Way photos from all over the world. This year, the entries include the 1st Milky Way image from space by astronaut Don Pettit.
On May 18, 1980, Mount St. Helens erupted, killing 57 people. The year 2025 marks 45 years since the deadly eruption, which changed the face of the mountain.
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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