NASA's Astrobiology Program: Searching for Life Beyond Earth

NASA's Astrobiology Program delves into the search for extraterrestrial life, exploring the cosmos to understand the origins and potential existence of life beyond Earth.


Investigating the fundamental principles of chemistry, biology, and geology, NASA seeks to unravel the origins of life on Earth and its potential implications for life elsewhere.

Origins of Life

By studying extreme environments on Earth such as deep-sea vents, icy moons, and acidic lakes, researchers gain insights into the possibility of life surviving in harsh condition.


Mars holds particular interest for astrobiologists, with missions like the Mars Rover and upcoming Mars Sample Return mission aiming to search for signs of past or present.

Mars Exploration

Moons like Europa and Enceladus, with their subsurface oceans, offer tantalizing prospects for discovering microbial life beyond Earth, prompting missions to explore these icy worlds.

Ocean Worlds

Utilizing space telescopes like Kepler and the upcoming James Webb Space Telescope, NASA detects and characterizes exoplanets, assessing their potential habitability.

Exoplanet Studies

Scientists investigate potential biosignatures—indicators of past or present life—on other planets and moons, along with factors contributing to habitability.


Insights from astrobiology inform NASA's plans for human exploration of space, guiding missions to destinations where life may exist and influencing strategies.


NASA's Astrobiology Program represents humanity's quest to answer one of its oldest questions: Are we alone in the universe.