Ice crystals in Earth's atmosphere sometimes align just right to create various striking visual effects, from a halo around ...

Scientists have successfully extracted the world's oldest ice core at Little Dome C in East Antarctica. Extracted during the ...

Since the beginning of Earth's history, tiny particles of rock and metal from space have been hitting our planet. On clear ...

For much of the planet’s recent geological history, ice ages came and went every 41,000 years. Then, during a period ...