Watch as an Airbus A330 creates stunning wingtip vortices during take-off, revealing the power of lift and airflow in action.

Research on adults who take S.S.R.I.s shows they tamp down sexual desire. Why aren’t we studying what that could mean for adolescents who take them?

More than 84 million are under winter weather bulletins with several states expected to see lows 10 to 25 degrees below ...

A harsh drop in temperatures is being delivered to the eastern two thirds of the country thanks to a polar vortex dipping ...

Publications have labeled it everything from an “arctic outbreak” to a “cold blast.” But whatever you call it, the effect is ...

Here's how much snow Ohio could see as a blast of arctic air sweeps across the eastern U.S., bringing frigid, winter-like ...

An early blast of Arctic air is sweeping across the eastern U.S. this week, bringing frigid temperatures and the season’s ...

An arctic blast is headed to NJ and NYC, bringing frigid air. Will it snow? How cold will it get? Here's the timing, temps ...

The polar vortex shot into public lexicon sometime around January 2014, after a notable outbreak of icy arctic air that ...

The U.S. housing market is showing signs of a deep freeze — one rivaling the polar vortex hitting this week. According to ...