Planetary geology

Space Mercury’s cratered surface has been hiding evidence of a much smaller planet

Hidden faults suggest Mercury may have lost about 23 kilometers from its diameter, changing ideas about its core and thermal history.

Space Astronomers find four Barnard’s Star planets to be small, uninhabitable, with years lasting only days Joseph Shavit

Space Jupiter’s volcanic moon, Io, hides intense heat beneath its porous crust Joshua Shavit

AI AI can quickly spot and catalog lunar craters, but accuracy remains a major problem Shy Cohen

Space Mercury has a 10-mile-thick layer of diamonds under its surface Joseph Shavit