theory of General Relativity

Tech
A New Theory Unifies Dark Matter and Dark Energy as a ‘Dark Fluid’ With Negative Mass
Can one of Einstein’s forgotten theories solve the riddle of why 95 percent of the stuff in the universe appears to be missing?
Daniel Oberhaus
12.6.18
Tech
One of the Greatest Cosmic Mysteries Was Solved By David Shoemaker’s Device
LIGO's detection of gravitational waves was an achievement comparable to Galileo’s telescope. Meet the man whose team built the detector.
Grennan Milliken
2.22.17
Tech
What Is a Gravitational Wave Detector, and Why Do We Want to Send One to Space?
ESA is getting ready to launch LISA Pathfinder, a mission that will test the technology for a million-kilometer-large gravitational wave detector.
Victoria Turk
9.3.15