Venus and Mars may have once supported life. This video explores the evidence and theories surrounding the potential for life ...

An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the ...

The finding suggests phosphine—a potential biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out. Reading time 5 minutes For scientists, the ...

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Scientists using The James Webb Space Telescope have uncovered potentially earth-shattering evidence indicating a faraway world could be home to alien life. A team at the University of Cambridge’s ...