PICKS are stories from many sources, selected by our editors or recommended by our readers because they are important, ...

basic concepts are introduced quickly, with greater emphasis on their applications. Standard topics are covered, such as the Schwarzschild solution, classical tests of general relativity, ...

Albert Einstein’s prediction about how gravity behaves has been tested on a cosmic scale. Albert Einstein’s prediction about ...

Albert Einstein's theory of general relativity—which explains gravity as the product of the distortion of space and time—may not be universally applicable. This is the conclusion of physicists ...

At first, there seems to be no known direct relationship between the expansion of the universe, the number of the gravitational constant, and the proximity of the infinitely variable genetic codes to ...

Einstein's theory of general relativity is a cornerstone of modern physics ... He uses many more familiar concepts to produce a broad understanding of the basic structure and applications of the ...

Relativity Space Inc., the privately held US maker of 3D-printed rockets that once soared to a $4.2 billion valuation, is running low on cash, raising questions about the future of its launch ...

An international research team's new calculations of the distortion of time and space presents new challenges to predictions ...