Computer simulations suggest that Mars' puzzling moons, Phobos and Deimos, may have been formed from debris created when a large asteroid wandered dangerously close to the Red Planet. This new ...

Mars has two small, potato-shaped moons, called Phobos and Deimos. These moons are named for two sons of the Greek god of war, Ares, which the Romans called Mars. The names Phobos and Deimos mean ...

In 2026, the Japan Aerospace Exploration Agency plans to launch the Mars Moons eXploration (MMX) mission, aiming to explore the Martian moons Phobos and Deimos and return samples from Phobos to Earth.

While volcanoes have brought profound changes to landscapes here on Earth, volcanic activity on other planets and moons has followed a different ... observed on our fellow rocky planets, Venus and ...