While poking around the garden the other day I found an adorable visitor, a small frog called a gray tree frog (Hyla versicolor) resting among the brightly colored flowers. This amazing little ...

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After conservation efforts that lasted for more than a decade, the San Diego Zoo Wildlife Alliance is finally bringing the critically endangered Lord Howe Island stick insects to the forefront.

For those who want to save the hassle -- and the space -- of trimming a real tree for Christmas, an on-and-off-the-wall alternative: The Blik-mas Tree -- complete with branches, ornaments, presents ...

Gum sticks to a lot of things -- bedposts, shoes, sidewalks. And trees -- especially the "gum tree" on the campus of Southeast Missouri State University. The tree, Monday's photo puzzler on the "Faces ...