Cactuses sure give Arizonans a lot to talk about. From towering Saguaros that are not what they look like, to a cactus looking like a couple kissing. But every summer, the queen of cactuses makes an ...

A close-up shows a large purple and yellow titan arum against a blurred-out background of green plants. Researchers have captured the evolution of foul smells from a blooming corpse flower. The plants ...