The habitable zone as a research area focuses on defining and characterizing the circumstellar regions where planetary surface conditions could permit stable liquid water, given realistic atmospheric and geophysical constraints. This field integrates stellar astrophysics, planetary climate modeling, atmospheric radiative–convective equilibrium, and orbital dynamics to compute inner and outer habitable zone boundaries as functions of stellar type, luminosity evolution, and planetary properties. Researchers investigate feedbacks such as the carbonate–silicate cycle, cloud processes, greenhouse limits, and water loss, and extend the concept to temporal (continuously habitable) zones and system-level habitability, including multiplanet interactions and stellar activity effects on long-term planetary climate stability.
Dr. Leonardos Gkouvelis, researcher at LMU's University Observatory Munich and member of the ORIGINS Excellence Cluster, has solved a fundamental mathematical problem that had obstructed the interpretation of exoplanet atmospheres ...
Astronomy
Jan 30, 2026
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Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up surprises. A new paper reveals the latest: a possible rocky planet slightly larger than Earth, orbiting ...
Astrobiology
Jan 28, 2026
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244
Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet should be neither too hot nor too cold for liquid water. A new study argues that this ring is too strict: ...
Astrobiology
Jan 22, 2026
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147
How can scientists estimate the pH level of Enceladus' subsurface ocean without landing on its surface? This is what a study recently posted to the arXiv preprint server hopes to address as a team of scientists from Japan ...
Planetary Sciences
Jan 21, 2026
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At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to flesh out our understanding of the exoplanet population. The second was to determine if any were in ...
Astrobiology
Jan 15, 2026
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60
We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of these is whether Earth is the only place that harbors life.
Planetary Sciences
Jan 12, 2026
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48
A new study led by a Georgia State University astronomy graduate student is a major step forward in the search for stars that could host Earth-like planets that may prove to be good havens for life to develop. Sebastián Carrazco-Gaxiola ...
Astrobiology
Jan 6, 2026
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74
One of the main questions in exoplanet science concerns M dwarfs (red dwarfs) and the habitability of exoplanets that orbit them. These stars are known for their prolific and energetic flaring, and that's a problem. M dwarfs ...
Astrobiology
Jan 6, 2026
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28
Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated astronomers since 2017, with three ...
Astronomy
Jan 2, 2026
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60
How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared.
Astrobiology
Dec 29, 2025
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