In the stratosphere over Siberia, temperatures recently jumped nearly 100 degrees Fahrenheit, shoving the polar vortex off its North Pole perch.

The first trial site has been initiated in the pivotal phase 3 OVATION 3 study which will investigate IMNN-001 for newly diagnosed advanced ovarian cancer.

Get ready for a deep dive into winter weather phenomena! 🌬️ The polar vortex is more than just a buzzword; it can significantly affect our Midwest winters. Stay cozy and informed about what ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter.

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in years; this January was the coldest in the Lower 48 since 1988.

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here’s why it keeps happening.

How Alaska’s cold keeps ending up in the Lower 48 A few atmospheric factors — including the polar vortex — have come together to make the US the epicenter of cold this winter.

The polar vortex is a large area of cold air and low pressure that typically remains around the North and South Poles. Imagine it as a giant whirlpool of cold air. During winter, this whirlpool ...