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What are California megafires? | Things to Know

VIDEO: Megafires, which burn over 100,000 acres, can cause catastrophic damage. Researchers are studying fire behavior in the lab and in the field in order to fight these flames more effectively.

What are fire whirls? | Things to Know

VIDEO: Researchers examine the behavior of these tornado-like fire columns

Fast facts about the Milky Way | Things to Know

VIDEO: Our galaxy may seem humble, but here are a few things to know about what makes it an exceptional place

Fast facts about freshwater mussels | Things to Know

VIDEO: The humble bivalves can clean polluted water and bump up diversity — but there's plenty more to learn about the odd group of mollusks that make their homes in our streams and rivers