Looking for a sky event this week? Check out our full Sky This Week column. October 4: Saturn reaches opposition The Moon ...

Mars pairs up with a waning crescent moon before spending three mornings crossing the Beehive star cluster in a beautiful predawn sky show.

See the Moon meet Mars and Jupiter this week ...

October will bring a full lineup of astronomical events, including two meteor showers and a moon-Mars conjunction. Here are the key dates to know.

Saturday night, October 3rd. My family and I went to the Osaka Science Museum. Our goal was the "Special Night: Aiming for ...

Mars' moons are easily visible at night from the surface of the Red Planet. Phobos – the nearer, larger, and brighter of the two – would be obviously non-round. A sharp-eyed observer would be able to ...

Add Yahoo as a preferred source to see more of our stories on Google. Are either of the moons of Mars large enough to eclipse the Sun as seen from the surface of Mars? Although both moons orbit Mars ...

Mars has two moons, which appear rather misshapen compared with other planetary satellites. The moons are named Phobos and Deimos. The two moons are named after the ...

Japan's ambitious mission to collect and bring back samples from one of Mars' moons will lift off Oct. 20, the space agency announced Thursday. The unmanned Martian Moons eXploration (MMX) probe, a ...

In 1977, NASA’s Viking 2 orbiter pulled off a historic flyby of Deimos, capturing high-resolution images of the moon’s surface. Deimos turned out to have a much smoother, dustier surface than the ...

Japanese scientists are readying a mission to Mars' moons to retrieve samples that may unlock the origins of the solar system and life on Earth, although a rival Chinese mission aims to make it back ...