The moons were discovered by a group of astronomers from Taiwan, Canada, the United States, and France. Between 2019 and 2021, they used the Canada France Hawaii Telescope to repeatedly monitor the ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

A close conjunction of the waning crescent Moon (approximately 26% illuminated) and Jupiter occurred around 7 A.M. EDT, observable in the eastern sky before sunrise, with the Moon positioned between ...

It may be cold this month, but now is a great time to get outside and explore Jupiter’s beauty and might. The fifth planet will not only reach opposition on Dec. 7, it will also be at perigee (closest ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

The month brings a strong lineup of celestial sights, including a supermoon, meteor activity, and several close moon-planet ...

An eye-catching pattern on the surface of Europa, an ice-covered moon, may have profound implications for our understanding of the Jovian satellite.

Jupiter is the largest planet in the solar system, known for its massive size, strong gravity, powerful storms and many moons ...

A spacecraft that will study one of Jupiter’s moons is set to launch Monday on a journey of more than six years to discover if the moon has the ability to support life. The solar-powered spacecraft ...