A University of Missouri astronomer is leading a team of 130 researchers from 62 institutions—including NASA, the California ...

Most planetary scientists will tell you the heyday of Venus exploration was more than a generation ago. That is about to ...

NASA on Tuesday announced plans for three uncrewed missions to the moon later this year that will serve as early steps toward the long-term goal of building a permanent base on the lunar surface.

A debate has been raging among planetary scientists for more than a decade—why are there so few exoplanets with a radius of about 1.8 times that of Earth? Exoplanets are currently largely grouped into ...