A study published in Science Advances sheds new light on the mysterious origins of free-floating planetary-mass objects (PMOs)—celestial bodies with masses between stars and planets. Led by Dr. Deng ...

In late December, a telescope in Chile discovered a small asteroid given the designation 2024 YR4. About a month later, initial observations of the asteroid, estimated to be 40 to 90 meters across, ...

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 Science and Astrobiology Decadal Survey 2023-2032 will assess key scientific questions in planetary science and astrobiology, identify priority medium- and large-class missions and other ...

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 ...

After a national search, Purdue University announced Andrea Donnellan will take on the role of head of the Department of Earth, Atmospheric, and Planetary Sciences (EAPS) effective January 1, 2025.