How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

In The Fantastic Four: First Steps, Franklin Richards is born with the Power Cosmic, an unlimited energy source linked to Galactus. Reed and Sue’s exposure to cosmic radiation during conception causes ...

Ultrahigh-energy cosmic rays are the most energetic and rarest of particles in the universe – and also one of the most enigmatic. Benjamin Skuse reveals how cosmic-ray mysteries are continuing to test ...

Cosmic rays have long been a source of mystery. They are the highest energy particles that we know of, but their origins remain a point of discussion. The only thing we really know is their ...

Final results from the University of Utah's High Resolution Fly's Eye cosmic ray observatory show that the most energetic particles in the universe rarely reach Earth at full strength because they ...

Particles smaller than an atom hurtle through the universe nearly at the speed of light, blasted into space from something, somewhere, in the cosmos. A scientific collaboration of the Pierre Auger ...

Active galactic nuclei are the most likely candidate for the source of the highest-energy cosmic rays that hit Earth. Astronomers found that the sources of the highest-energy particles are not ...

This may seem like the cry of a panicking news reporter in a lurid sci-fi tale, but it’s actually a scientific fact — albeit a slightly hyperbolic one. Mysterious cosmic rays traveling at speeds ...

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 ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. One of the great mysteries in science is determining not only what's ...

Cosmic rays. Artwork of high-energy particles and radiation from a star in deep space (cosmic rays) impacting molecules and atoms in the Earths atmosphere. These primary impacts cause a secondary ...