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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Being the closest planet to the Sun, you might think Mercury would be the most likely rocky planet in the Solar System to have a molten core, but for the past three decades physicists have not been ...

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 ...