Scientists use computer models to simulate what oxygen would look like on far away planets and found a chemical signature that helps us tell the difference between oxygen from life and oxygen from other sources.
It might be likely that civilizations eventually develop large spherical shells that can catch all of the light emitted from their stars – an idea famously credited to the late Freeman Dyson.
By Nandita Hari Guest Contributor Humans have always been fascinated with the vastness of the universe and its hidden truths. For ages we have tried to explore and study the sky. The earliest study of the sky involved using the READ MORE