They’re the building rocks of life. Analysis of debris from the nearly 5 billion-year-old asteroid Bennu suggests the ingredients to life on Earth were present in the early days of our solar system, ...

Did evolution occur before life even existed? New study sheds light on how amino acids “evolved” New research illuminates the ancient processes from which the first life arose on Earth ...

The earliest cells were unstable chemical systems that survived by combining a handful of shaky carbon-based assemblies together, researchers say. All life on Earth is based on carbon. To create ...

The first life-forms on Earth drew energy from sunlight filtering down into the ocean depths.

CU Boulder geologist Brian Hynek has helped to document what may be a unique kind of ecosystem on Earth—and a possible window into the earliest stages of life on this planet 3.5 billion years ago, and ...

'This is the first demonstration that primordial molecules, simple amino acids, spontaneously form peptides, the building blocks of life, in droplets of pure water.' ...

Out There Exactly How Much Life Is on Earth? According to a new study, living cells outnumber stars in the universe, highlighting the deep, underrated link between geophysics and biology.

How will life on Earth end? Scientists explore extinction risks from asteroid impacts, gamma-ray bursts, and the Sun’s future transformation.

It’s possible that life on Earth may have started here repeatedly and around the same time at different spots on the globe, says one prominent astrobiologist.