This article is from Proof PositiveSign up today and read it first. Outside of science-fiction stories we have yet to ...

Einstein had some pretty crazy theories about time, and two scientists set out to test them by taking a long flight on a commercial airliner.

In 1905, at the age of 26, Albert Einstein proposed his special theory of relativity. The theory reconciled the physics of moving bodies developed by Galileo Galilei and Newton with the laws of ...

Add Yahoo as a preferred source to see more of our stories on Google. A glass positive photograph of the corona of the May 29, 1919, solar eclipse that was taken at Sobral, Brazil, with a telescope ...

In the most comprehensive test of general relativity near the monstrous black hole at the center of our galaxy, researchers report that Einstein's theory of general relativity holds up, at least for ...

In 1915, Albert Einstein put forth a new theory of gravity: General Relativity. Instead of every mass in the Universe instantly reaching across to every other mass and exerting an attractive force, ...

The blue dot on a smartphone map feels like simple magic, but it depends on one of the least intuitive ideas in physics.

Albert Einstein had described the special theory of relativity in 1905. The result of Einstein's thinking about light, this theory introduced brand-new ideas to science. It opened up an entire field ...

The supermassive black hole at the center of the Milky Way is the most extreme astrophysical object located within a million light-years of Earth. With an estimated four million solar masses, it's the ...

More than a century has passed since Albert Einstein gave us general relativity, and scientists are still testing the mind-bending theory. In the latest test, an international team of astronomers used ...

More than 100 years after Albert Einstein published his iconic theory of general relativity, it is beginning to fray at the edges, said Andrea Ghez, UCLA professor of physics and astronomy. Now, in ...