Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...

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 ...

The Committee on Astrobiology and Planetary Science (CAPS) provides an independent, authoritative forum for identifying and discussing issues in astrobiology and planetary science with the research ...

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, ...