Telescopes and tree rings In recent years, high-powered, orbital telescopes have offered unprecedented information about the contents and character of supernova radiation. Using these observations, ...

Telescopes and tree rings In recent years, high-powered, orbital telescopes have offered unprecedented information about the contents and character of supernova radiation.

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so again, posing a threat to life.

Brakenridge examined over 15,000 years of tree-ring data and identified 11 spikes in radioactive carbon. These spikes suggest Earth was hit by waves of radiation likely caused by nearby supernovae.

The first record of termites in a polar region provides key insights into what these ancient forests were like ...

Scientists convert Earth's magnetic field collapse from 41,000 years ago into chilling audio, revealing ancient cosmic ...

Yesterday you felt energized today you feel calm and contemplative You may never have thought to link it to a bracelet ring necklace or pair of earrings ... level to contain and block harmful xrays ...

Scientists have used clues locked into tree rings to reveal major changes in the Amazon's rainfall cycle over the last 40 years: wet seasons are getting wetter and dry seasons drier.

A type of lichen was able to survive extreme UV radiation in the lab, suggesting that ozone protection might not be required for life on exoplanets.