open image in gallery Scientists have discovered oxygen in the most distant known galaxy. The findings suggest they can form more rapidly than was previously believed (ALMA (ESO/NAOJ/NRAO)/S.

(CNN) – Astronomers have made a surprising discovery about oxygen and elements in the most distant known galaxy ... say it formed in the early days of the universe. The galaxy was first detected in ...

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...