McKinley Museum planetarium director Suzie Dills says her trip to the Galileo museum in Italy was educational, and a thrill.

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

After arriving at the California launch site at the end of September, the two HydroGNSS satellites have been carefully ...

Europe is committed to understanding and protecting the planet and has taken a significant leap forward with the successful ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

Did Brahe, Kepler, Galileo and Newton make isolated discoveries, or did Islamic science contribute to their work on astronomy ...

The Northern and Southern Maned Sloths may look very similar from the outside, but their genomes reveal different stories: ...

Harvard astrophysicist Avi Loeb has cautioned that cosmic threats like 3I/ATLAS pose a risk to life on Earth, arguing that ...

Silver protected against evil. The sun turned trolls to stone, and alchemists hunted for the stone that gave eternal life. Why have stones fascinated ...

Harvard astrophysicist Avi Loeb has renewed speculation about the mysterious interstellar object 3I/ATLAS ahead of its ...

Soaring to the depths of our universe, gallant spacecraft roam the cosmos, snapping images of celestial wonders. Some spacecraft have instruments capable of capturing radio emissions. When scientists ...

The magnificent Griffith Park Observatory turned 90 this year and, as fans of nonagenarians, my wife and I hiked ...