Headlines

Earth and Mars: Built from different cosmic recipes

Four and a half billion years ago, Earth and Mars were born in the rotating cloud of gas and dust that would eventually become our solar system. Yet exactly how the planets formed remains one of the most disputed questions in planetary science.

Alpine bacteria show unexpected ability to fight viruses

A silent, long-running competition has been taking place in Swiss alpine lakes for millions of years, killing trillions of organisms every day without anyone noticing. This competition between bacteria and viruses pushes both into a relentless evolutionary battle.