Science ❯ Astrobiology

Life in the Universe

Extraterrestrial Life Planetary Formation Planetary Conditions Conditions for Life Intelligent Life Exoplanets Galactic Implications Statistical Probability Alien Civilizations Water in Space

Study Finds Planets Need 20%–50% of Earth’s Ocean to Stay Habitable

The new modeling sets a surface‑water floor that could reshape which habitable‑zone worlds scientists prioritize for life searches.

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Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

SETI Study Finds Stellar Space Weather Can Smear Technosignatures Past Current Searches

Gaia Finds Thousands of Solar Twins, Tying the Sun to a Mass Migration Across the Milky Way

Early Earth’s Atmosphere May Have Forged Sulfur Biomolecules Needed for Life

New ‘Radical Mundanity’ Hypothesis Recasts the Fermi Paradox

NASA Study Points to Vesicle-Like Chemistry on Titan’s Lakes

Curiosity Rover Discovers Key Carbonate Mineral, Shedding Light on Mars’ Ancient Atmosphere

Potential Biosignatures Detected on Exoplanet K2-18b

NASA Prepares to Launch SPHEREx Telescope to Study Universe’s Origins