Finding certain complex molecules in large quantities on another world could be a sign of life. Living things build complicated molecules in bulk, and chemistry without life mostly doesn’t.

A stunning new image of asteroid Ryugu has left viewers unsettled—not because of the rocky surface, but the eerie, endless ...

Phobos and Mars’s other moon, Deimos, are small, respectively about 22km and 12km across, and look like lumpy potatoes. That ...

Phobos, which is one of two moons that orbit Mars and has an altitude of about 6,000 kilometres, is a small celestial body with a diameter of 20 to 30 kilometres.

At the end of 2005, the asteroid explorer 'Hayabusa' lost communication with Earth and went missing somewhere in space. Fuel ...

Japan’s Martian Moons eXploration (MMX) probe began a long journey on Tuesday, with its outbound trip to exceed 500 million kilometers. Will the mission, which aims to deliver samples from the Martian ...

Have you ever seen real sand that has returned from space?Japan has facilities for training astronauts and facilities for ...

Japan has launched the Martian Moons eXploration (MMX) mission, which is designed to explore Phobos and Deimos—Mars’s two ...

The Japan Aerospace Exploration Agency (JAXA) on Oct. 20 launched a probe into space for a mission to collect and bring to ...

Late on October 19, Moscow time, the Martian Moons eXploration (MMX) spacecraft, developed by the Japan Aerospace Exploration Agency (JAXA), launched toward Mars. Its mission is to study the Red ...

Japanese space agency JAXA has successfully launched a mission to visit the moons of Mars — and bring a sample back to Earth.

The MMX probe set off for Phobos along with a rover, which will crash onto the surface of Mars' moon without braking. Here's ...