In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

Astronomers have discovered thousands of planets beyond our solar system, but finding them is incredibly difficult. Unlike ...

For the first time in human history, we're watching a new solar system come to life. Not in theory, but in real, observable detail. NASA's James Webb Space Telescope (JWST) and its incredible ...

Learn how ALMA observations revealed unusually high levels of methanol in interstellar comet 3I/ATLAS and what the molecule’s chemistry may reveal about how icy bodies form around other stars.

Explore the Solar System in a way that transcends the average science project. This video showcases the relative sizes of the ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

Jupiter is the largest planet in our solar system (so large, in fact, that some scientists think it might have even consumed other worlds), a gas giant so massive that it shaped the orbits and ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...