They're a classic winter sight — but can you tell different types of conifer trees apart? Here's what distinguishes fir, pine ...

Most people see a pine cone as nothing more than a woody gift from Mother Nature, comprised of scales in the shape of a cone and produced in various forms by different species of pine trees. But for ...

I trimmed my boxwood shrubs at home this past weekend and the whir of my hedge trimmer lulled me into thinking about the plethora of questions I routinely receive from gardeners and homeowners about ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The first fossil ...