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May 6, 2025 · The vastness of the cosmos, the billions of stars, and the countless planets orbiting them spark not just curiosity, but a longing to know whether life exists beyond our pale blue dot.
May 13, 2025 · Planetary size, atmosphere, magnetic fields, and geologic activity all influence a planet’s ability to support life. Some exoplanets like Kepler-452b and TRAPPIST-1e have sparked particular excitement due to their Earth-like size and location in their stars’ habitable zones.
Many astronomers focus on finding and characterizing exoplanets that might support life as we know it: Earth-like worlds with protective atmospheres, orbiting within a comfortable distance of their host star.
Apr 17, 2025 · Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge team studying the atmosphere of a planet called K2-18b has detected...
Apr 17, 2025 · Astronomers announced Thursday that they had detected the most promising 'hints' of potential life on a planet beyond our Solar System, though other scientists expressed scepticism.
Several other planets, such as Gliese 180 b, also appear to be examples of planets once considered potentially habitable but later found to be interior to the habitable zone.
Jul 31, 2024 · Beyond Earth's blue skies stretches a universe full of possibilities, including countless stars with planets that might support life. While Earth is the only known host of life, …
Mar 24, 2025 · Is There Life on Other Planets? 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.
Mar 24, 2025 · We stand at a crossroads in the search for life. We've found thousands of planets in our Milky Way galaxy, a large fraction of them in Earth's size range and orbiting in their stars' 'habitable zones' – the distance from the star at which liquid water could exist on the surface.
May 3, 2025 · Are we alone in the universe? Find the latest discoveries, clues from exoplanets, and the science behind searching for life on other planets.
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