On August 24th, a session of the International Astronomical Union (IAU), meeting in Prague, passed a resolution re-defining the planets of our solar system. Only about 428 of the IAU’s nearly 10,000 ...

Tipping elements of the Earth system should be considered global commons, researchers argue. Global commons cannot -- as they currently do -- only include the parts of the planet outside of national ...

This study will describe how international and national planetary protection policy has been formulated and adopted and identify associated lessons to inform future policy development. The National ...

The Planetary Health Check is a key monitor of earth's vital signs—and will guide action for a more sustainable world.

I'm a planetary scientist who was born the year of Sputnik's launch. Over the course of my 40-year career, I've witnessed not one but at least five separate revolutions that fundamentally transformed ...