On Saturn's largest moon, Titan, molecules that would never mix on Earth are mixing together, seemingly defying a fundamental ...

Diamond rain falls on ice giants Uranus and Neptune, where intense pressure and heat transform methane into crystallizing ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of the solar system as we thought. A team of astronomers led by Julio Fernández ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...