The Founding Fathers who gathered in Philadelphia to adopt the Declaration of Independence on July 4, 1776 picked a nice day ...

The polar vortex is Earth's frozen guardian—but that guardian is starting to fail. This video dives into the science behind ...

In the atmospheric layer above it, about 10 to 30 miles up, is the stratospheric polar vortex, where every winter a sunlight-starved Arctic spins up a mass of cold air that, ultimately, dissipates ...

Her cross-country adventures prove that cats, dogs, and birds alike can enjoy life on the road if you know how to keep them ...