As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

The CDC has issued a Level 2 travel alert due to an outbreak of chikungunya in China, advising travelers to take enhanced ...

More than 50 Texas House Democrats have fled the state to try to stop Republican state lawmakers from redrawing congressional districts maps that could help the GOP flip five Democratic seats during ...