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Unlike its predecessor Curiosity, NASA’s Perseverance rover is explicitly intended to “search for potential evidence of past life,” according to the official mission objectives.
Unlike its predecessor Curiosity, NASA’s Perseverance rover is explicitly intended to “search for potential evidence of past life,” according to the official mission objectives.
The story of life on Earth can’t be told without photosynthesis, the process by which plants (and some other lifeforms) convert sunlight into chemical energy. Now, a team of researchers has announced the discovery of fossilized photosynthetic structures—the oldest yet known—from a staggering 1.75 billion years ago.