In many parts of the world, days after a good rainfall, it’s fairly common to see various species of mushrooms popping up out of the ground. These mysterious organisms aren’t the whole story, though.

Whether you’re standing in a forest, on a field of grass, or even on that square of soil that surrounds a tree planted along a city sidewalk, under your feet is vast network of fungal filaments. Finer ...

What if I told you that your children might live in houses made of mushrooms? Perhaps you might think I had eaten one mushroom too many. But this is no fairy tale. Mushrooms — or more specifically, ...