While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, is Earth's history.

We know Earth is old. Scientists estimate that our planet formed around 4.5 billion years ago. But how old is it exactly? And ...

Two new studies used gravity data to pull back the curtain on the deep interiors of the Moon and one of the solar system’s largest asteroids.

In the modern world, a reliable supply of hydrogen gas is vital for the function of society. Fertilizer produced from ...