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 ...

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

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, ...

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.

Simmering urban temperatures are bad for humans. It's another story for rats, according to new research -- especially in ...

The U.S. Treasury on Thursday said it was withdrawing from the network of central banks and regulators focused on curbing ...

After Hurricane Katrina, Arthur Johnson wanted to protect his city from further climate disasters. Now, he works with youth to create lasting solutions. After Hurricane Katrina, Arthur Johnson wanted ...

Extreme conditions helped fuel the fast-moving fires that destroyed thousands of homes. Scientists are working to figure out ...