‘Oxygen not needed?’: The atmosphere that could turn any planet into Earth
New research suggests that life could thrive on exoplanets with unique atmospheres, expanding the definition of habitability ...
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A 790,000 year-old asteroid impact could explain seafloor spherules
The original study is based on a 2014 meteor that entered the Earth's atmosphere off the coast ... where they found small, iron-rich spheres known as spherules. The study analyzed the composition ...