Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

On the frontlines in Ukraine, changing weather has brought treacherous conditions – but also opportunities – for both sides.

Here’s what else you need to know to get up to speed and on with your day.

A strong Pacific storm is bringing soaking rain to Southern California and raising the risk of life-threatening flooding, mudslides and debris flows, especially near burn scars in the Los Angeles area ...

A powerful burst of energy from the sun is streaming past Earth, disturbing the energized particles in the highest levels of the atmosphere and painting stunning aurora borealis displays across the ...

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

Chicago is facing a dangerous lake-effect snow event overnight Sunday into Monday morning. A narrow, but extremely intense ...

Blue Origin is preparing a second launch of its New Glenn rocket, this time with twin Mars orbiters on board. The company will attempt to recover the rocket’s first stage.

A deadly tornado tore through a state in southern Brazil, killing at least six people and injuring more than 400 others, local authorities said.

• Crossing Bahamas: Melissa is now passing through the Bahamas as a Category 1 hurricane after making landfall in Cuba this morning. Cuba suffered “significant damage” from the storm and around ...

From Ukraine's frontlines to London's Notting Hill: The restaurant flexing Ukrainian 'soft power' ...

Why some hunters are trying to stop Florida black bear hunt ...