The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.

At the center of our planet is a very hot rotating ball of mostly iron and nickel (sorry Journey to the Center of the Earth ...

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth.

Perhaps the most compelling reason to understand “deep-time” climate change is in how it relates to the origin and evolution of life on Earth ... karst topography preserved on the tops ...

Land topography is usually formed gradually over long periods of time, but sometimes a single event can dramatically change ...

The ocean plate was once the seafloor of Neotethys — an ocean that formed when the supercontinent Pangaea broke up into a ...

A research team is investigating the influence of the Zagros Mountains on the bending of Earth's surface. A team of ...