Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events ...

Several Canadian airlines had cancelled or diverted flights; airport under protection of Mexico's national guard ...

A bomb cyclone is wreaking havoc across the Northeast, bringing heavy snow, near hurricane-force winds and other hazardous ...

Businesses and U.S. trade partners are again grappling with the uncertainty of President Trump’s trade war, even as he ...