Category
Nature
Wildlife, ecosystems, and the planet's hidden wonders. Explore 5 carefully selected articles below.
Nature4 min
How Ocean-Observing Satellites Track Climate and Marine Life
Ocean-observing satellites measure temperature, sea level, and ocean color to track climate shifts and ecosystem health.
4 minRead
Nature3 min
Why Leaves Change Color in Fall
Shorter days and cooler nights reduce chlorophyll, revealing yellow and red pigments in leaves.
3 minRead
Nature9 min
Why Prescribed Burns Are Essential in US Forests
Controlled fires reduce dangerous fuel buildup, protect ecosystems, and lower the risk of catastrophic wildfires.
9 minRead
Nature8 min
Why Airplane Contrails Sometimes Spread into Cloudy Haze
Contrails can seed thin cirrus clouds when air is cold and humid, which is why some trails linger and others vanish fast.
8 minRead
Nature8 min
Why Some US Rivers Change Color After Heavy Rain
Storm runoff carries soil, organic matter, and pollutants into rivers, which can temporarily change water color and clarity.
8 minRead