The reference frames from which observers view quantum events can themselves have multiple possible locations at once — an ...

There is something so surreal about sci-fi time-travel movies. They leave one on the edge, questioning the possibilities of ...

Analogous to solving the so-called ‘twin paradox’ from the theory of special relativity, Hamilton said we all had to break ...

Albert Einstein’s theory of general relativity has been proven right on the largest scale yet. An analysis of millions of galaxies shows that the way they have evolved and clustered over ...

but acting more like Albert Einstein predicted in his 1915 general theory of relativity. Cosmologists since 1998 have theorized that a mysterious invisible force dubbed dark energy was pushing the ...

Using the Dark Energy Spectroscopic Instrument, researchers mapped the clustering of nearly 6 million galaxies spanning 11 billion years, confirming predictions made by Einstein’s theory of general ...