One thorny question still worries planetary scientists: What happened to Venus?
Though Venus and Earth are similarly sized rocky worlds occupying similar parts of the solar system, Venus is a hellish land hot enough to melt lead. In the meantime, a breathtaking biodiversity flourishes on temperate earth. Somewhere their stories diverged.
Later this decade, NASA will launch its DAVINCI mission – short for Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging – to…
