More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to ...

A rare exoplanet that should have been stripped down to bare rock by its nearby host star's intense radiation somehow grew a puffy atmosphere instead—the latest in a string of discoveries forcing ...

Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency said in a news release. The exoplanet, known as TRAPPIST-1 e, orbits ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

Caltech researchers have developed a new simulation of the hydrological cycle on Jupiter, modeling how water vapor condenses ...