Dr. Ning Li became a leading figure in the unusual world of anti-gravity research, eventually receiving US Department of Defense funding to continue experiments involving superconductors and gravity.

Quantum mechanics and Einstein’s theory of gravity explain almost everything we see in nature, yet physicists still do not know how to unite them. A new theoretical framework suggests that some ...

For more than 200 years, scientists have struggled to pin down the exact strength of gravity — and one physicist spent a decade chasing the answer while keeping his own results hidden from himself.