Solar panels and wind turbines increasingly dot the landscape, but the future of clean energy may well depend on how smoothly ...

There are two key factors that determine whether a hydrogen flame stays steady or goes out: ...

Day one was about setup. Day two was about hunger. By day three, they were locked into survival mode—gathering firewood, checking traps, and diving for shellfish. It wasn’t a vacation—it was a test.

As a winter storm looms for Louisiana, residents should prepare their pipes for freezing temperatures. Here's how to prevent them from bursting.

The best gift you can give someone is genuinely useful for them and affordable for you. Finding that happy medium can be tricky, though, so we’ve done the hard work for you and compiled this list of ...

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...

Another round of bone-chilling air from the polar vortex could invade the central and northeastern US this weekend and potentially produce the first significant snowstorm of the season for the ...

Add Yahoo as a preferred source to see more of our stories on Google. Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...

The wall that keeps cold air contained in the Arctic is called the polar vortex. There's been a "displacement" in the polar vortex, which allows Arctic air to escape to the south. An "arctic frontal ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

ROME (AP) — The Olympic flame for the Milan Cortina Winter Games landed in Rome on Thursday following a handover in Greece. The flame was carried in a small lantern aboard an ITA Airways flight ...