Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

When the theory of relativity appeared in the early 1900s, it upended centuries of science and gave physicists a new understanding of space and time. Isaac Newton saw space and time as fixed, but ...

In 1913, Albert Einstein had stalled in his efforts to construct his general theory of relativity.

The evidence for the Big Bang is overwhelming, but we cannot describe what goes on in that event. We can’t accurately call it ...

Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric ...

Albert Einstein may have been taking a metaphorical beating earlier this week with the possibility of faster-than-light neutrinos potentially wreaking havoc with the Special Theory of Relativity ...

What if the Big Bang wasn’t truly the beginning? A team of cosmologists is using the power of supercomputers to push past the ...