Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful ...

The Event Horizon Telescope only recently gave us the first images of the environment immediately surrounding a black hole. Since then, it has been boosting the resolution and filling in the details ...

New cosmic tests confirm Newton and Einstein's gravity laws hold true across vast distances, spanning hundreds of millions of light-years. This research strongly supports the existence of dark matter, ...

A new argument explores how the growth of disorder could cause massive objects to move toward one another. Physicists are both interested and skeptical. Isaac Newton was never entirely happy with his ...