Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.
In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...
It may become impossible to fix ...
Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...
NASA says Earth is about halfway through its lifespan. Scientists explain how solar changes could affect habitability, oceans, and the planet’s future over billions of years ...
"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.
Gravity feels reliable—stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over Earth's surface. And it is weakest ...
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