New impressions A visualization of a curved space–time “sea” from the general-relativity simulations carried out by the authors.(Courtesy: James Mertens) From the Genesis story in the Old Testament to ...

A new solution to Albert Einstein's theory of general relativity suggests hypothetical gravitational stars that look like black holes could be nested within one another. When you purchase through ...

In cosmology, questions about conditions before the Big Bang are often dismissed as unscientific or unanswerable. However, a recent paper in Living Reviews in Relativity by Eugene Lim from King’s ...

This article was originally published on The Conversation. Read the original article. A renewed suggestion that dark energy may not be real—dispensing with 70 percent of the stuff in the universe—has ...

A newly developed solution to the equations at the heart of Albert Einstein's most revolutionary theory suggests hypothetical stars called "nestars" could be made from stacked gravitational stars, or ...

If you asked an astrophysicist what is yet to be discovered in the universe, there’s a good chance they’d paraphrase Donald Rumsfeld: It’s full of known unknowns. Besides the regular matter and energy ...

Using software that incorporates all of the field theory equations developed by Einstein as part of his general theory of relativity, research teams from Europe and the United States have started ...

In a simulation of the universe without commonly made simplifications, galaxy profiles float atop a grid representing the spacetime background shaped by the distribution of matter. Regions of blue ...

What evidence can prove the Earth actually orbits the sun? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world.

In 1915, Albert Einstein published the Theory of General Relativity, revolutionizing our perception of the universe. In the theory, space and time are a fabric, permeating even the furthest reaches of ...