Are multiverses real? If so, what do they look like? How do you get there without disturbing time? – Emily, age 9, Pune, ...

By installing a system of glass strands that transmits data at the speed of light, EPB transformed itself into a technology ...

Pions are subatomic particles that help bind matter at some of the smallest scales in nature. They are closely connected to the strong nuclear force, the fundamental force that holds protons and ...

Scientists still don’t know where ghostly particles called neutrinos originate. A distant galaxy could be a potential source.

Every time I write about particle physics, I encounter a moment of uncertainty about a quantity that, at first glance, ought to be clear. How many kinds of elementary particles should I say there are?

After decades of hunting, physicists still don’t know what makes up most of the universe’s matter. Now they need to cast a wider net.

R. H. Price, K. S. Thorne, and I. H. Redmount, ``Gravitational Interaction of a Black Hole with Nearby Matter,'' in Black Holes: The Membrane Paradigm, edited by K. S ...