1. Astrobiology is the study of life in the universe, including its origin and evolution. 宇宙生物学是研究宇宙中的生命，包括其起源和演化。
2. Scientists in the field of astrobiology search for signs of life on other planets. 从事宇宙生物学领域的科学家们搜索其他星球上的生命迹象。
3. Astrobiology combines principles of biology, chemistry, physics, and astronomy to understand the potential for life beyond Earth. 宇宙生物学结合了生物学、化学、物理学和天文学的原理，以理解地球以外生命的可能性。
4. The discovery of microbial life in extreme environments has expanded our understanding of astrobiology. 在极端环境中发现微生物生命扩展了我们对宇宙生物学的理解。
5. Astrobiology research involves studying the conditions necessary for life to exist on other planets. 宇宙生物学研究涉及研究其他星球上生命存在的条件。
6. The field of astrobiology is constantly evolving as new technology and discoveries are made. 宇宙生物学领域随着新技术和发现的出现而不断发展。