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Why Extraterrestrial Life May Not Seem Entirely Alien
The zoologist Arik Kershenbaum argues that because some evolutionary challenges are truly universal, life throughout the cosmos may share certain features.
Why Are Plants Green? To Reduce the Noise in Photosynthesis.
Plants ignore the most energy-rich part of sunlight because stability matters more than efficiency, according to a new model of photosynthesis.
He Found ‘Islands of Fertility’ Beneath Antarctica’s Ice
John Priscu’s search for life that thrives under ice took him to subglacial lakes at the South Pole. Now he has his eye on Mars and Europa.
Inside Deep Undersea Rocks, Life Thrives Without the Sun
Newly discovered worlds of microbes far beneath the ocean floor, inside old basaltic rocks, could point to a greater likelihood of life elsewhere in the universe.
Galaxy Simulations Offer a New Solution to the Fermi Paradox
Astronomers claim in a new paper that star motions should make it easy for civilizations to spread across the galaxy, but still we might find ourselves alone.