A crater nine kilometers across sits on the surface of a moon barely twenty-two kilometers wide, and inside that scar planetary scientists suspect a clump of unusually dense rock is hiding. Locating ...

AM on October 20, 2026. Japan's H3 rocket is scheduled to lift off from the Tanegashima Space Center in Kagoshima Prefecture.

A massive crater on Mars’ moon Phobos may hide a dense region of compressed material that could reveal whether the moon is a captured asteroid or debris from an ancient impact on Mars. Japan’s ...

Thanks to JAXA, the Japan Aerospace Exploration Agency, and its sample-return capabilities, we're on the cusp of receiving our first sample from the Martian system—not from Mars itself, but from its ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Stretch marks across the surface of Phobos could indicate the Mars moon ...

The tiny Martian moon Phobos, with its enigmatic grooves. Stickney crater is in the bottom right corner of the image. Image via NASA/JPL-Caltech/University of Arizona ...

Phobos --- the enigmatic, oddly-shaped Martian moon --- could serve as an eventual pit stop for human missions to the Red Planet. That’s, of course, contingent on future Mars exploration strategies.

Add Yahoo as a preferred source to see more of our stories on Google. On March 27, 1989, the Soviet Union's Phobos 2 mission to Mars' moons ended in failure. ['On This Day in Space' Video Series on ...

The origin of Phobos and Deimos, the two Martian moons, has been a mystery to astronomers. These two bodies are a fraction of the size and mass of the Moon, measuring just 22.7 km (14 mi) and 12.6 km ...

We've been studying Mars for decades, and there are several satellites in orbit of the Red Planet right now, constantly sending back data from their telescopes and sensors. These satellites have ...