Milk thistle (silymarin) is a flowering herb related to the daisy and ragweed family. It is native to Mediterranean countries. Some people also call it Mary thistle and holy thistle. Some studies ...

They say it looks like a rose, but I definitely see a thistle. Image: Big Bear Solar Observatory/NJIT The photo is of a relatively small sunspot in active solar region 2177. The “petals” are ...

Thistles. The ones with small flowers are Italian thistle (Carduus pycnocephalus); those with the larger round flower are bull thistle (Cirsium vulgare). And there is some yellow-flowering star ...

Native to Europe but common in the U.S. today as well, milk thistle is a flowering plant in the daisy (Asteraceae) family of flowers. This is the same plant family that has more than 30,000 other ...