Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth’s weather could often be described as cloudy with a chance of asteroid. Back then, it was not uncommon for asteroids or ...
Noah Jäggi, Diana Gamborino, Dan J. Bower, Paolo A. Sossi, Aaron S. Wolf, Apurva V. Oza, Audrey Vorburger, André Galli, Peter Wurz MESSENGER observations suggest a magma ocean formed on proto-Mercury, ...
That was the reaction of meteorologist Eric Holthaus to news that atmospheric carbon dioxide levels have reached heights not seen in the entirety of human existence – not history, existence. This is ...
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