For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

For years, a newcomer to Malta’s countryside went nearly unnoticed. Scattered reports of an unfamiliar snake in the south of ...

Here at the southern tip of the Great Barrier Reef, you’re practically guaranteed to see them. Descending toward this pristine coral cay, you might spot any number of creatures silhouetted against the ...