Researchers had only hypothesized the existence of underground lava tubes on Venus —until now.
Setting a limit for global warming didn't succeed in galvanising climate action quickly enough – now we should focus on ...
Relatedly, astronomers may have just pushed the upper size limit of what counts as a planet.
The planet experienced its fifth-hottest January on record despite a cold snap that swept across the United States and Europe, the EU's climate monitor said Tuesday.
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