Ask almost any CFA® charterholder, and they’ll tell you: Level II is where things get serious. It’s often considered the hardest of the three exams, and the prep course that got you through Level I ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

4:47 Polar vortex: What you can do to protect yourself from the extreme cold Extreme cold winter conditions are expected to trap the majority of the country in a bitter weather phenomenon known as a ...

Only in Newsday Dude, where's my plow? Long Island officials told Newsday public trackers are too costly and would be of limited use locally. The Newsday app makes it easier to access content without ...

Mathew Barlow has received federal funding for research on extreme events and also conducts legal consulting related to climate change.. Judah Cohen does not work for, consult, own shares in or ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree. By Eric Niiler The polar vortex is a ribbon of ...

You’ve probably heard the term “polar vortex” a lot this winter. But what is it exactly? Imagine a “whirlpool” of cold air that sits high above the Arctic. That is the polar vortex. It’s not a ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside. Discover how it can lead to clearer skies, fewer storms, and ideal conditions for ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex. When you purchase through links ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That’s what’s happening starting Thursday when dangerously frigid air from ...