Since the early 2000s, the emerald ash borer has been a thorn in homeowners’ sides—or anyone with trees in their yard. These invasive insect pests cause oft-catastrophic damage to ash trees, and ...

Ailsa Craig is an uninhabited isle off the coast of southwest Scotland and the source of the super-dense granite used to make ...

What Does a Pine Grosbeak Look Like? As the cold settles in, backyards quiet down. But just when you think you’re familiar ...

In Old Norse mythology, Baldr, the son of the god Odin and the goddess Frigg, was slain with a mistletoe spear. Some interpretations suggest that, “kissing under the mistletoe symbolizes forgiveness, ...