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  1. science.nasa.gov › universe › exoplanetsLife in the Universe: What are the Odds? - Science@NASA

    Mar 9, 2021 · It begins with the rate of star formation in the galaxy and the fraction of stars that have planets, leading step-by-step through the portion of planets that support life and – most speculatively – to the existence and durability of detectable, technological civilizations.

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  3. science.nasa.gov › exoplanets › is-there-life-on-other-planetsIs There Life on Other Planets? - Science@NASA

    The ultimate goal of NASA's exoplanet program is to find unmistakable signs of current life on a planet beyond Earth. How soon that can happen depends on two unknowns: the prevalence of life in the galaxy and how lucky we get as we take those first, tentative, exploratory steps.

  4. www.bbc.com › news › science-environment-66950930Alien life in Universe: Scientists say finding it is 'only a ......

    Sep 29, 2023 · Nasa's James Webb Space Telescope (JWST) recently detected tantalising hints at life on a planet outside our Solar System - and it has many more worlds in its sights. Numerous missions that are...

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    • Life in Outer Space - MagellanTV
    • Life Beyond the Universe. Journey into Outer Space | The Science Channel
    • Life In Outer Space - The Exoplanets | Space Documentary 2022 - YouTube

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  6. www.cfa.harvard.edu › big-questions › does-life-exist-outsideDoes life exist outside of the solar system? - Harvard University

    Learn how CfA scientists use telescopes, models, and data to find and study exoplanets that might harbor life. Discover the challenges and breakthroughs of detecting biomarkers and the habitability of distant worlds.

  7. science.nasa.gov › exoplanets › can-we-find-lifeCan We Find Life? - Science@NASA

    So far, the only life we know of is right here on planet Earth. But NASA is looking for signs of life in our solar system and on some of the the thousands of planets we've discovered beyond it, on exoplanets. We can probe alien atmospheres for biosignatures, which could indicate life below.

  8. www.nasa.gov › missions › webbFinding Life Beyond Earth is Within Reach - NASA

    Jul 14, 2014 · The Webb telescope and WFIRST-AFTA will lay the groundwork, and future missions will extend the search for oceans in the form of atmospheric water vapor and for life as in carbon dioxide and other atmospheric chemicals, on nearby planets that are similar to Earth in size and mass, a key step in the search for life.

  9. astrobiology.nasa.gov › aboutAbout Astrobiology | Astrobiology

    Oct 12, 2022 · About Astrobiology. Life, Here and Beyond. Astrobiology is the study of the origin, evolution, and distribution of life in the universe. Artist’s rendering of NASA’s Cassini spacecraft observing a sunset through Titan’s hazy atmosphere. Credit: NASA/JPL-Caltech.