While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

What we know after American Airlines plane crashes with Black Hawk helicopter in Washington, D.C. 11 Embarrassing Etiquette Mistakes You're Making as a Houseguest ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

In the first study of its kind, scientists found a correlation between climate change and a rise in urban rat populations.

Based on individual trends within cities, Washington was by far the leader in rat increases, followed by San Francisco, ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, discusses the vulnerabilities of U.S. cities to climate-related ...

US Gulf Coast is digging out from a once-in-a-lifetime snowstorm that struck from Texas to Florida, closing airports, ...

Climate change is fueling a surge in rat populations across major US cities, with Washington, DC, seeing the worst increase ...

Global warming is worsening droughts, making sea levels rise, and fueling deadly storms. Now scientists have a new problem to add to that list: Climate change is helping rat populations thrive in U.S.