Animal Espionage - How do you study an animal you can't even get close to? Camera traps and drones are revolutionizing wildlife biology by recording the secret lives of animals—from whales and tigers to elusive giant armadillos—all without disturbing them.
The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.