One might expect that the momentum of a photon ... Starting from the perspective of general relativity, other theorists have shown that both Abraham's and Minkowski's formulae can be derived ...

Their study, published in February in the journal Physics Letters B, suggests that at extremely high energies or incredibly small distances, general relativity should be modified by an infinite series ...

If gravity arises from entropy, scientists could unite Einstein's general relativity with the quantum realm while shedding light on dark matter and dark energy. A new recipe for gravity could help ...

Relativity, the company making software to help users organize data, discover the truth, and act on it, is announcing the general availability of Relativity aiR for Review in RelativityOne Government, ...