Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.

After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of unseasonable warmth, which has left many mountain ranges in a snow drought. A major ...

The fuzzy white predators of Svalbard, Norway, have been getting fatter over the past two decades, possibly by changing their diets and hunting strategies, a new study suggests ...

The new Midnight transmog system is here, and navigating the user interface can be a bit tricky -- luckily, we're here to ...