As given by Britain’s brilliant, opinionated Sir Arthur Stanley Eddington, the seven fundamental constants of Nature are: e, the charge of an electron; m, the mass of an electron (at rest); M, the ...

For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe ...

A cosmic camera hog is helping astronomers figure out the rate of the universe’s expansion. Images of the supernova Refsdal have popped up multiple times in the constellation Leo, thanks to light from ...