Cosmic rays seen at Earth show a wide range of particle energies, from 107 electron-volts (eV) to more than 1020 eV, the latter being about the same as the kinetic energy of a 450 gram football ...

Researchers have built a miniaturized microcomb-driven terahertz wireless communication system that's 90 times smaller than conventional chips to deliver record-breaking data-transfer speeds at ...

About 1.3 billion light-years away, two massive black holes had merged, and the resulting shockwave—a gravitational wave—was strong enough for LIGO to detect the moment it washed over Earth. Since ...

An exhaust resonator is a hollow chamber in the exhaust system that cancels specific unwanted sound frequencies, typically ...

On May 22 at Heft Gallery in New York City, "Redshift" transformed a gallery space into an existential experience for an ...

With satellite numbers soaring, laser communication is emerging as the solution to radio spectrum congestion in Earth’s ...

Gravitational waves are famous for shaking the universe, yet barely nudging anything around us. We have detected them with some of the most sensitive machines ever built, but a new idea asks a ...

The speed of light in a vacuum has been known as both a universal constant and a hard speed limit for all matter in the universe ever since Albert Einstein published his special theory of relativity ...

For the first time, researchers have detected empty voids moving faster than the speed of light — and they blazed past that cosmic speed limit without breaking the laws of relativity. A recent study ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. When physicist ...

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Here’s what you’ll learn when you read this story: Although people often say nothing travels faster than the speed of light, this cosmic speed limit only pertains to particles with information or mass ...