Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

If we look at the gas giant planets in our solar neighborhood, we see a clear pattern; the more massive the planet, the lower the percentage of “heavier” elements (anything other than hydrogen and ...

Forty years ago, Voyager imaged Uranus and presented the world with a new mystery. Upon further inspection, it may have just ...

How can Uranus teach us about exoplanets? This is what a recent study presented at the 56th annual meeting of the American Astronomical Society (AAS) Division for Planetary Sciences (DPS) hopes to ...

TEMPE, Ariz. a Quick: What’s the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: “My Very Educated Mother Just Served Up Nine Pizzas.” It’s ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

Did a massive ice giant planet once orbit in the outer solar system? And what could evidence for such a world teach us about the original positions of Jupiter and Saturn? The ancient Solar System was ...

Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...