Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life. NASA/JPL-Caltech via AP When astronomers search for planets that ...

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 ...

A new perspective piece argues that aquatic deoxygenation — the depletion of oxygen in marine and freshwater environments — should be considered its own “boundary” in the planetary boundary framework ...

PASADENA, CA: Do you know the local time on Mars? Ask one of The Planetary Society’s Student Astronauts. An image of a Mars-based sundial, called a MarsDial, has been processed by these teenaged ...

Over recent decades, human exploration of planetary bodies has evolved into a complex, multidisciplinary endeavour that combines human ingenuity with advanced technology. Pioneering missions have ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Morgan Underwood, Rice University (THE CONVERSATION) When astronomers search for ...