Light Speed

Space New analysis challenges Einstein’s theory on the speed of light

A new study blends decades of gamma ray observations to explore whether light always keeps a constant speed across the universe.

AI Multi-wavelength photonics breakthrough performs AI math at light speed Shy Cohen

Space Real warp drives could exist in the next 100 years, researchers say

Space New tachyon study could unlock the secrets of time travel and reality

Space Milky Way’s central black hole spins at nearly light speed, study finds

Innovations Global first: Scientists reproduce visual illusion predicted by Einstein’s theory of relativity

Space Scientists propose a radically different universe containing multiple dimensions of time

Space Warp drive may be achievable sooner than expected, study finds

Space The universe looks very different at light speed

Discoveries Scientists just figured out the weight of a particle of light

Global Good Quantum tunneling mystery solved: A new approach to measuring time

Good News Scientists prepare to launch tiny lifeforms into space at near the speed of light

Discoveries Silicon-photonic chip enables AI computing at light speed

Discoveries Cutting-edge rocket engine could accelerate to 99% the speed of light

Discoveries Light-based computer breakthrough: Scientists create the world’s first 2D photonic circuits