Nikola Tesla was a genius way ahead of his time—some of his inventions were so powerful or strange, they never got built.

At the center of this episode is HAARP—the High-frequency Active Auroral Research Program in Alaska—which, according to ...

Tesla’s “death ray,” royal secrets, and a U.S. government cover-up? Dr. John G. Trump’s rare video reveals shocking truths!

Nikola Tesla's obsession with wireless technology led to several inventions and theories that focused on transmitting data without wires. Tesla’s prediction of transmitting data without wires ...

“There were a lot of fairly eccentric designs in the patents from this era,” says ... tilt-rotor/tilt-wing helicopter-airplane that Nikola Tesla dreamed up in 1921—until this summer, on ...

Regarded by many as an eccentric genius, Nikola Tesla's system of alternating current is the basis of the electrical grid that makes daily life possible in the 21st century. One hundred years ago ...

In Nikola Tesla's original contract with George Westinghouse, the inventor was promised a bonus of $2.50 for every horsepower of alternating current sold. But making Tesla's AC motor was expensive ...