What delayed Earth's oxygenation?

Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to carbohydrates and oxygen. About 2.3 billion years ago, this reaction led to a dramatic oxygenation ...

Ammonium fertilized early life on Earth: study

A team of international scientists—including researchers at the University of St. Andrews, Syracuse University and Royal Holloway, University of London—have demonstrated a new source of food for early life on the planet.

How fungi helped create life as we know it

Today our world is visually dominated by animals and plants, but this world would not have been possible without fungi, say University of Leeds scientists.