Fornax the Furnace appears as a few dim stars to the unaided eye but harbors galaxies from one orbiting the Milky Way to some at the edge of the universe.
Scientists found that stars in the "S-cluster," a group of young, high-velocity stars orbiting our galaxy's central supermassive black hole, have stable orbits.
Humans are adapted to earthly life. Here are 7 weird things space does to the human body. Knowing these challenges, would you be willing to go to space?
Wisdom, a beloved Laysan Albatross, is the oldest known bird. At 75, she returned (with her mate) to Midway Atoll in November 2025 for another breeding season.
The constellation Andromeda the Chained Lady is most famous for containing M31, the Andromeda galaxy, the closest large spiral galaxy to the Milky Way.
Kelly Kizer Whitt 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.