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.

A new study has raised intriguing possibilities about the role of supernovae in shaping the evolution of life on Earth. Researchers from UC Santa Cruz, led by Caitlyn Nojiri, have discovered traces of ...

A team of U.K. researchers are planning to melt some of the oldest ice on Earth in an ambitious bid to reconstruct up to 1.5 million years of our planet’s climate history. In doing so, they ...