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Discoveries abound in an ancient predator’s upchuck

Creepy crawlers turn detritus, silk, and prey carcasses into astonishingly realistic look-alikes

Thousands of holes dot a mountain in Peru—they might have been used by the Inca to tally tributes

Two recent discoveries about the extinct human species refine our understanding of our evolutionary kin

The legendary astronomer once unveiled a top-secret plan to detonate a nuclear bomb on the moon

Newly discovered vessels may be key to flushing waste away from our brains

Killer whales divulge more of their private lives with never-before-seen images of a wild birth and gruesome hunts

These extraterrestrial treks make Mount Everest look like an anthill

But can this make a dent in Earth’s plastic crisis?

Scientists might have finally uncovered the origins of bold streaks on the Red Planet’s surface

A glimpse into the arboreal underworld tells us how trees will cope in a changing climate

Creativity flourishes when people cross borders—and when those borders blur through deep, human connection