In the 1960s and '70s, a series of questionable experiments claimed to prove that plants could behave like humans, that they had feelings, responded to music and could even take a polygraph test.

“Help!” “Land here!” “Conserve resources!” “Get off!” “My fruits are ready to eat!” These are just some of the many messages we know plants—from a patch of moss to a 300-foot sequoia—can send. In fact ...

Climate journalist Zoë Schlanger says research suggests that plants are indeed "intelligent" in complex ways that challenge our understanding of... Plants can communicate and respond to touch. Does ...