Have you ever wondered what the largest living organism on Earth is? Well, you might be surprised to learn that it's not a giant blue whale or a sequoia tree; it's a fungus!

Seeing mold in plant dirt may be alarming, but it's fairly common. Our guide explains what causes it and includes expert tips ...

Ganoderma rot on redbud Q: I noticed some shiny, reddish-brown shelf-like structures that look like a fungus growing near the ...

Fungus gnats are small flies that infest soil, potting mixes, and other media. The adults look a bit like mosquitoes, though ...

All of this happens out of sight, under the soil surface ... to spot as they look a bit like a twig. Wind carries the spores to infect more unwary caterpillars. These fungus-filled caterpillars ...