Scientists have found a rather unexpected way to get a glimpse of the history of cosmic rays that have bombarded our planet over the ages: by examining volcanic rocks. In a study that was made public ...

Tens of kilometers above Earth's surface, high-energy particles from outer space constantly strike the atmosphere, creating showers of energetic secondary particles that rain down from the sky.

Decoding the 'Cosmic Dawn,' which occurred over 500 million years after the birth of the universe, through the arrangement of radio absorption lines—we have summarized a new paper on this research. In ...

Where starlight doesn't reach, new things are born: For the first time, an international research team has directly measured the effect of cosmic radiation in a cold molecular cloud. The observation ...

A solar storm hitting Earth appears to have reduced the amount of incoming high-energy cosmic rays, suggesting a new way of measuring solar activity. Storm alert. A coronal mass ejection was recorded ...