On Nov. 19, 2005, Prince Albert II formally became ruler of Monaco, assuming the throne of his late father, Prince Rainier.

It’s an excellent rehearsal for if we need to use interplanetary missions to calculate the path of a more threatening object.

NASA is facing increasingly sharp challenges as it pursues its goal of landing astronauts on the moon again before this ...

Researchers at KRISS observed water’s rapid freeze–melt cycles under ultrahigh pressure and discovered Ice XXI, the first new ...

Times listed are from The Sky This Week by Astronomy magazine, calculated for 40°N, 90°W. Central Wisconsin observers can expect sunrise, ...

Recent findings suggest that one of Saturn’s icy moons may harbor a stable ocean capable of supporting life. This revelation ...

Through a vast ocean, Jupiter's moon Europa is an exciting target for research in the search for life. Two space probes are ...

Astronomers spotted two bright flashes on the Moon in just two days, raising awareness of potential meteor risks to Earth.

Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with ...

A pair of strange flashes have been spotted coming from the moon, and scientists believe they know what caused them.

If you do check out Jupiter with a small telescope on Sunday night, you'll see all four Galilean moons, with Ganymede and Io on one side of Jupiter and Europa and Callisto on the other. The ...

Greetings stargazers. Although I address these “What’s Up in the Durango Skies” columns to stargazers, we should occasionally ...