Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments ...

DNA is found in nearly all living cells ... but within the organism as a whole. Beyond the ladder-like structure described above, another key characteristic of double-stranded DNA is its unique ...

All living populations and species are ... In other cases, species with large structures become habitat for smaller organisms. For example, the human digestive tract harbors so many bacteria ...

Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants.

DNA, or deoxyribonucleic acid, is the hereditary material found in nearly all living organisms. It carries the genetic instructions ... strands coiled around each other to form a double helix ...

DARPA wants space structures that are grown rather than built, and the building blocks for these new structures are living ...

Biochemistry explores chemical processes related to living organisms. It is a laboratory-based science combining biology and chemistry. Biochemists study the structure, composition, and chemical ...