Namibia sponge fossils are world's first animals: study

Scientists digging in a Namibian national park have uncovered sponge-like fossils they say are the first animals, a discovery that would push the emergence of animal life back millions of years.

Astronomers could spot life signs orbiting long-dead stars

The next generation of powerful Earth- and space-based telescopes will be able to hunt distant solar systems for evidence of life on Earth-like exoplanets—particularly those that chaperone burned-out stars known as white ...

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