Weather & Climate

Why do leaves change color in autumn?

Earth's atmosphere is mysteriously losing oxygen

Why does my grass look greener after it rains?

What if solar forecasting was more precise?

13 ominous photos and videos of roll clouds

How often are animals struck by lightning?

Take in a bird's-eye view of these powerful storms

How trees combat the urban heat island effect

7 things to know about the summer solstice

San Francisco's famous fog spellbinds in haunting short film

What makes this waterfall light up like fire?

The Louvre enacts art evacuation plan as historic flooding hits Paris

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