Not only is Earth's inner core spinning and growing, but it's also changing shape, according to new research. Our planet's inner core is a hot, solid ball of iron that is roughly 1,500 miles wide.

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

The detection of energy signals from strong winter storms in the North Atlantic Ocean that travel through Earth's core could ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an ...

Captured during Expedition 19, NASA’s satellite photos show how the Three Gorges Dam subtly changes Earth’s rotation and axis ...

Scientists believe that Earth’s core is a massive ball of iron. However, a new discovery suggests that the Earth’s core is surrounded by an unexpected ancient structure. A high-resolution map ...

CAPE CANAVERAL, Fla. (AP) — The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck, scientists said Tuesday. A team of ...