Add Yahoo as a preferred source to see more of our stories on Google. Know all of the different options before you head out to the tree farm. In the meantime, you may want to learn about the different ...

Of all the Christmas traditions, there's nothing quite as magical as picking out a tree. Picture this: You're strolling through rows of luscious pine, fir, and spruce trees on a brisk afternoon at a ...

One of the simplest examples of how plants adapt to ensure that their species survives is found in pine cones. Evergreen trees that produce cones are called conifers. There are more than 600 species ...