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 ...

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 ...

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 ...

Researchers have recently focused on intriguing geological formations on Venus, including peculiar structures on its surface that have captured scientific interest. As of September 30, 2025, these ...

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 ...

TL;DR: Researchers are investigating mysterious "dark ovals" on Jupiter, which are Earth-sized and appear near the poles. These may indicate disturbances in Jupiter's ionosphere linked to its magnetic ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

(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 ...