The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

WoW Archivist explores the secrets of World of Warcraft's past. What did the game look like years ago? Who is etched into WoW's history? What secrets does the game still hold? Are you ready to return ...

Like a symbiote on Peter Parker, humanity’s space rovers are now crawling all over Mars’ surface, looking for ways to map and understand the planet. One such robo-explorer, InSight, has been studying ...

Scientists using a high-precision planetary radar technique for the first time have discovered that the innermost planet Mercury probably has a molten core, resolving a mystery of more than three ...

First ever supercomputer simulations of Mars with a fully molten core could explain the Red Planet's unusual magnetic field. Billions of years ago, Mars had an active magnetic field. Mysteriously, its ...

When Molten Core launches for WoW Classic SoD Phase 4, players will see some familiar foes and features. However, there are some new challenges to keep an eye out for, including a new secret boss. The ...

Mercury is hot stuff. That’s the conclusion of a new radar study demonstrating that the core of the solar system’s innermost planet is at least partially molten. The finding settles a long-simmering ...

Deep inside Earth, far below the crust and mantle we learn about in school, two colossal structures loom above the core like ...

A moon rock brought back by astronauts from the last Apollo mission in 1972 has finally proven its worth by revealing that the moon used to have a hot, convecting molten core that generated a magnetic ...

The entire outermost part of Earth may be wandering over the planet's whirling molten core, new research suggests. Knowing whether the Earth's outer layers are roaming in this manner is key to ...

WoW Archivist is a biweekly column by WoW Insider's Scott Andrews, who explores the secrets of World of Warcraft's past. What did the game look like years ago? Who is etched into WoW's history? What ...