Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...