Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

Evidence was found in marine sedimentary rocks near Gabon in Central Africa. A team of international researchers has challenged the long-held belief that complex life forms first emerged on Earth 635 ...

The transition from simple chemistry to the complex biology of molecules that gave rise to life is a puzzle that scientists ...

Protocells were likely the first forms of life to take shape on Earth, but they lacked many of the modern conveniences found in today’s cells—most critically, a cell membrane. Scientists have long ...

Boulder, Colo., USA: Stromatolites are the earliest geological record of life on Earth. These curious biotic structures are made of algae carpets growing toward the light and precipitating carbonates.

A free lecture about the vital and continuing role of microbiomes, the first forms of life on planet Earth, will take place at the end of this month. The Bermuda Environmental Sustainability Taskforce ...

An analysis of volcanic rocks has revealed large quantities of nitrogen compounds that were almost certainly formed by volcanic lightning. This process could have provided the nitrogen required for ...