In an ambitious pursuit to unravel the mysteries of the cosmos and explore the potential for life beyond Earth, NASA has allocated $5.7 million to an interdisciplinary team of scientists led by Arizona State University.
For now, life is flourishing on our oxygen-rich planet, but Earth wasn't always that way – and scientists have predicted that, in the future, the atmosphere will revert back to one that's rich in methane and low in oxygen.
Unfathomable Abodes of Life? -Water Worlds of the Milky Way dailygalaxy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailygalaxy.com Daily Mail and Mail on Sunday newspapers.