Buried more than 3,000 miles beneath our feet, Earth’s solid inner core was once thought to be unchanging—locked in place at ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

It’s not much of a stretch to say that Earth’s inner structure, especially the innermost spherical core, has stupefied ...

What if the insides of planets are more complicated than we thought? A new study from scientists at UCLA and Princeton ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Inner planets are the four planets closest to the Sun: Mercury, Venus, Earth and Mars. They are collectively characterized by a solid surface and small size relative to the outer gas giants.

The Keeble Observatory at Randolph-Macon College holds weekly public viewing during spring semester. Check their website ( or ...