Big G, gravity, is the oldest fundamental constant in physics and the least clearly defined. One scientist has spent a decade ...

A 10-year effort to measure gravity, a fundamental force in the universe, has failed to come up with a conclusive answer.

DESI has made the largest 3D map of our universe to date. Earth is at the center of this thin slice of the full map. The magnified section visualizes the underlying structure of matter in our universe ...

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 ...

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 ...

The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the cosmos. It's also the source of one of the most enduring and confounding ...

The human heart beats more than 1 lakh times a day, pushing blood through the body under constant physical strain. Every second, it encounters circulating cells, including cancer cells that travel ...