The new law is only one way Missourians are trying to address the spread of invasive plant species. Conservation groups have ...

Many caterpillars feed on the leaves of oak trees. Most will not do much damage, but some can pose a real threat to the ...

Used medicinally by Native Americans for centuries, Monotropa uniflora — a.k.a. ghost pipe — is having a moment on social media. Not everybody is happy about it.