A noted Darwin historian probes the naturalist’s inner life.
Human ailments as varied as hernias, hiccups, and choking are a legacy of our “fishy” ancestry.
Good thing for us it’s small, because this predator gives no quarter to its quarry.
A device that renders objects truly invisible may be commonplace within the next few decades.
Toxic hairs enable some caterpillars to venture forth in conspicuous processions.
Nineteenth-century artist Benjamin Waterhouse Hawkins still influences how prehistoric life is represented today.
As human populations expand and lions’ prey dwindles, the poorest people—and hungriest lions—pay the price.
With proper safeguards, water currents can be harnessed out of sight.
Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.
Vulnerable everywhere in the wild, lions already face regional extinction.
Reef-building sponges are giving up their long-held secrets.