The subject of the origin and early evolution of life is an inseparable part of the general discipline of Astrobiology. The journal Origins of Life and Evolution of Biospheres places special importance on the interconnection as well as the interdisciplinary nature of these fields, as is reflected in its subject coverage. While any scientific study which contributes to our understanding of the origins, evolution and distribution of life in the Universe is suitable for inclusion in the journal, some examples of important areas of interest are: prebiotic chemistry and the nature of Earth's early environment, self-replicating and self-organizing systems, the theory of the RNA world and of other possible precursor systems, and the problem of the origin of the genetic code. Early evolution of life - as revealed by such techniques as the elucidation of biochemical pathways, molecular phylogeny, the study of Precambrian sediments and fossils and of major innovations in microbial evolution - forms a second focus. As a larger and more general context for these areas, Astrobiology refers to the origin and evolution of life in a cosmic setting, and includes interstellar chemistry, planetary atmospheres and habitable zones, the organic chemistry of comets, meteorites, asteroids and other small bodies, biological adaptation to extreme environments, life detection and related areas. Experimental papers, theoretical articles and authorative literature reviews are all appropriate forms for submission to the journal. In the coming years, Astrobiology will play an even greater role in defining the journal's coverage and keeping Origins of Life and Evolution of Biospheres well-placed in this growing interdisciplinary field.

生命起源和早期进化是天体生物学这一学科不可分割的一部分。《生命起源和生物圈进化》杂志特别重视这些领域的相互联系和跨学科性质，这反映在其主题报道中。虽然任何有助于我们了解宇宙中生命的起源、进化和分布的科学研究都适合收录在该杂志中，但一些重要领域的例子包括：生命起源化学和地球早期环境的性质、自我复制和自我组织系统、RNA 世界和其他可能的前体系统的理论以及遗传密码的起源问题。生命的早期进化——通过阐明生化途径、分子系统发育、前寒武纪沉积物和化石研究以及微生物进化的重大创新等技术揭示——构成了第二个重点。作为这些领域的更大、更一般的背景，天体生物学是指宇宙环境中生命的起源和进化，包括星际化学、行星大气和宜居带、彗星、陨石、小行星和其他小天体的有机化学、生物对极端环境的适应、生命探测和相关领域。实验论文、理论文章和权威文献综述都是提交给该期刊的合适形式。在未来几年，天体生物学将在确定期刊的覆盖范围方面发挥更大的作用，并使《生命起源》和《生物圈进化》在这个不断发展的跨学科领域中占据有利地位。

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