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  1. About Astrobiology | Astrobiology

    Oct 12, 2022 · While no clear signs of life have ever been detected, the possibility of extraterrestrial biology – the scientific logic that supports it – has grown increasingly plausible.

  2. Homepage | Astrobiology

    This website is currently being migrated. For the most up-to-date astrobiology news, resources, and community announcements, please visit our new home at science.nasa ...

  3. Searching for Alien Life, on Earth | News | Astrobiology

    Jan 16, 2026 · It may be home to life whose biological makeup is fundamentally different than that of any known life on Earth, life so different from standard terrestrial biology it can literally be considered alien.

  4. History of Astrobiology | About Astrobiology | Astrobiology

    Aug 7, 2022 · Joining the agency’s human and robotic space programs with an offshoot of biology has not always been an easy or accepted fit, especially since no actual samples of life have ever been …

  5. Finding Alien Life: On Earth, on Mars, and Throughout the Cosmos

    The challenge of “synthetic biology” is on! Dr. Benner discusses how we are hitchhiking on rockets, rovers, and telescopes to find life elsewhere in the Solar System, and describes how his research …

  6. NASA-Funded Research Creates DNA-like Molecule to Aid Search for …

    Feb 26, 2019 · This new molecular system, which is not a new life form, suggests scientists looking for life beyond Earth may need to rethink what they are looking for. The research appears in Science …

  7. Looking for LUCA, the Last Universal Common Ancestor | News

    Jan 16, 2026 · There is evidence that it could have lived a somewhat ‘alien’ lifestyle, hidden away deep underground in iron-sulfur rich hydrothermal vents. Anaerobic and autotrophic, it didn’t breathe air …

  8. Research - NASA Astrobiology

    Jan 16, 2026 · NASA supports research that leads to a better understanding of how life emerged and evolved on Earth, what conditions make any environment in our universe capable of supporting life, …

  9. Cosmic Encounters with Alien Life | News | Astrobiology

    With these approaches and caveats in mind, this volume addresses in a systematic way the philosophical, theological and moral impact of discovering life, deploying the latest scientific thought …

  10. In Search of E.T.'s Breath | News | Astrobiology

    Scientists crossed a new frontier in “exo-planet” research just last year when, using the Hubble Space Telescope, they detected sodium in the atmosphere of a large alien world orbiting the star HD 209458.