New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...
For decades, Europa has been the optimistic counterpoint to a lonely solar system, a small icy world that seemed to tick ...
A NASA-led reanalysis of JWST data from exoplanet K2-18 b, incorporating multiple independent analyses, found no conclusive evidence of dimethyl sulfide (DMS), a potential biosignature, despite a ...
Biology has always been an unruly science. Cells divide when they want to. Genes switch on and off like temperamental lights.