So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

About half a billion years ago, early animals in the oceans and seas struggled to survive in a world that experienced ...

Monitoring workplace safety in environments where hazardous gases may be present is of crucial importance, especially in ...

The new podcast Inflection Point leans on C&EN’s 100-year archive to trace headline topics in science today back to their ...

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to ...

When scientists look to the skies for clues about life's origins, water is one of the first things they seek. Life, as it's ...

The explosion released elements heavier than iron—like gold and platinum—through a process known as rapid neutron capture ...