Ultrahigh-energy cosmic rays twist and turn on their way to Earth, which has made it nearly impossible to identify the colossal monsters that create them. In the 1930s, the French physicist Pierre ...

Conditions can get rough in the micro- and nanoworld. For example, to ensure that nutrients can still be optimally ...

A new theory suggests fusion reactors could help scientists search for axions, mysterious particles that may explain dark ...

An international team of physicists has proven new theorems in quantum mechanics that describe the 'energy landscapes' of collections of quantum particles. Their work addresses decades-old questions, ...

Earth keeps getting warmer because more energy from sunlight stays trapped in the climate system. Scientists refer to this as ...

The findings could help researchers predict dangerous space weather. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists may have ...

Ever since their discovery in the 1960s, ultrahigh-energy cosmic rays have captivated scientists, who wonder where they come from. Like all cosmic rays, they are arguably misnamed: they are not “rays” ...

Microscopic particles save energy by surfing from one place to another. Do you think the particles lie about the size of ...

Scientists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC) have revealed how certain particle-jets lose energy as they traverse the unique form of nuclear matter created in ...

One of the biggest mysteries of the universe is why its expansion seems to be speeding up. Physicists have attributed it to a strange force called dark energy, but exactly how it works is largely ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Deep underground in Europe, the world's most powerful particle ...

"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." When you purchase through links on our site, we may ...