“There is life elsewhere in the universe”

To search for life in outer space, scientists need to better understand how primitive life developed on Earth. It is believed that some organisms found in underwater volcanic vents may be representative of early life forms. Imagebroker / Alamy Stock Photo Swiss Nobel Laureate Didier Queloz and Swiss-German astrophysicist Sascha …

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Volcanism on the Moon ended about 2 billion years ago

According to the most widely accepted theories, the Moon formed about 4.5 billion years ago after a Mars-sized object (Theia) collided with Earth. After the resulting debris accumulated to create the Earth-Moon system, the Moon spent many eons cooling down. This meant that a few billion years ago, lakes of …

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