Opposition is a great time for stargazers to observe an object such as an outer planet because it rises at sunset, sets at sunrise, and is visible all night.
A team of researchers has studied what's needed to send life to the nearest star. They envision small creatures riding tiny spacecraft to Proxima Centauri.
Scientists used the Murchison Widefield Array radio telescope to take the most detailed image yet of the black hole eruption inside galaxy Centaurus A.
The blog “Capture the Atlas” announced its 2021 Northern Lights Photographer of the Year contest. You can see 10 of the best aurora photos in the world here.
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.