Chirality—often described as "handedness"—is a fundamental property of nature, underlying the behavior of molecules ranging ...

The last time you scrubbed a streaky window or polished a porcelain appliance, you probably used a chemical called ammonia.

The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...

When scientists in Canada came across a female polar bear with two cubs in the fall, they made an unusual discovery: One of the young was not her own offspring but instead a rare documented example of ...

Bear X33991 leading her two cubs along the ice. Dave Sandford / Discover Churchill (Wildlife Photographer, Guide, and Polar Bears International Photo Ambassador) Get the Popular Science daily ...

This study was funded by grants from the Natural Environment Research Council (NE/S011188/1) and the European Research Council (SELECTHAPLOID - 101001341) The Arctic Ocean current is at its warmest in ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air across half of the United States while the other half warms up. Texas will ...

A polar vortex is expected to bring frigid temperatures to the central and eastern United States this weekend. South Carolina will experience a significant temperature drop, with nightly lows reaching ...

Do you believe in Santa? If not, you might find yourself on a train heading toward the North Pole in order to help you believe, or this might just sound like the plot of "The Polar Express" to you.

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...