Relativity
Scientists Make Breakthrough in Warping Time at Smallest Scale Ever
Scientists were able to measure time dilation at a distance of just a millimeter, about the width of a pencil tip.
Scientists Directly Manipulated Antimatter With a Laser In Mind-Blowing First
The direct manipulation of antimatter will open up "unthinkable" possibilities in examining the fundamental makeup of our reality, scientists say.
A Black Hole Has Been Shredding a Star Twice the Size of the Sun for 10 Years
Astronomers have been watching the full fallout of a tidal disruption event for years.
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.
Scientists Think the Speed of Light Has Slowed, and They're Trying to Prove It
A controversial theory that would overturn Einstein’s theory of general relativity could soon be tested.
Gravitational Waves Are Just Everyday Astrophysics Now
This week's announcement of a second LIGO detection is likely just the start.
The 1919 Solar Eclipse That Proved Einstein Right
Watching space-time warp from a tiny island off West Africa.
Europe Is Testing Its Gravitational Wave Detector Tech in Space
The LISA Pathfinder mission is testing technology for a different type of gravitational wave detector—1.5 million kilometres from Earth.
Dark Energy May Be Distorting Our View of Gravitational Waves
Waves traveling through expanding space-time should look different than waves traveling through static space-time.
Philosopher Jürgen Renn Explains Einstein's Theory of General Relativity
Where does revolutionary knowledge come from?
Lost Satellites Will Help Test Einstein's Theory of General Relativity
Two of the ESA's Galileo positioning satellites wound up in the wrong orbit, but it's not all for naught.