More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

Our gut is home to a micro-universe of tiny powerhouses, complete with their own genes and immune and metabolic profiles, ...

A new study finds that people whose gut microbiomes produce a lot of methane are able to unlock extra energy from a ...

Asking ‘what is life?’ is a good way to start arguments in science. As a recent informal poll suggests, no two individuals ...

From insignificant individual cells to a rich community full of cooperation. That is how our understanding of the world of ...

Microbial carotenoids offer faster production, health benefits and potential applications in foods, animal feed and cosmetics ...

Brine pools, extremely salty, oxygen-free underwater lakes, are lethal to most marine life but teem with resilient microbes.

Ocean microbes keep the planet healthy by cycling nutrients and capturing carbon, but a detailed and precise map of where ...

Archaea are organisms consisting of a single cell without a nucleus and with distinct structural, physiological and evolutionary characteristics. They inhabit a wide range of habitats, including ...

Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...

Viruses typically aren’t considered ‘alive,’ as many core biological functions are outsourced to their potential hosts. But a newly discovered organism appears to straddle the line between virus and ...