Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei. Speaking of Galileo, this photo was ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

For most of January, four of the eight planets in our solar system (sorry, Pluto) will be visible if the sky is clear enough ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

The first full moon of 2025 is nearly here. Dubbed the "wolf moon" for its connection to wolves calling on those long January ...

Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by Koji Kuramura and Gerald Eichstädt. Credit: NASA/JPL-Caltech/SwRI/MSSS | ...

J anuary is a good month for interesting planetary alignment. You will have a lot going on in the night sky. For most of the ...

According to astrology, the best time to get married is when Venus, Jupiter, and the Moon are linked in harmony. Venus is the planet of love and marriage and Jupiter expands whatever it touches. The ...

January's skywatching highlights include four planets visible to the naked eye, Venus and Saturn's conjoin, and red planet ...