Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

K2-18b resides within the habitable zone of its star ... Since it was discovered in 2015, K2-18b, which orbits a red dwarf star more than 120 light-years from Earth, has captivated scientists ...