Mercury is a planet of extremes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The planet is named after the Roman deity Mercury, the speedy ...

Mercury is a planet that just doesn't make sense. It's incredibly small yet hosts a relatively massive core. Mercury is so strange that astronomers have not been able to explain its properties with ...

The more we discover about Mercury, the weirder it seems. For instance, despite the fact that daytime temperatures there soar to 800 degrees Fahrenheit (427 degrees Celsius), ice encases the shadowed ...

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