Investigate whether drinking liquid from a cactus is a viable survival strategy or a potentially harmful mistake.

The Supreme Court has upheld an order directing Trump officials to “facilitate” the return of the Maryland man mistakenly deported to an El Salvador mega-prison. Leah Litman joins Chris Hayes to break ...

Apr. 8, 2025 — Researchers report their discovery of fluorescent pigments in the feathers of Long-eared Owls, that can only be seen by humans with the help of ultraviolet ...

Shawn Simpson has long been fascinated by the creativity of animals. He first became interested in the notion as a boy when he was enchanted by a spider’s web. Now a lecturer in philosophy at the ...