WRECKING BALL A planetary body about 10 times as massive as Earth may have smashed into Jupiter billions of years ago, creating the oddly diffuse core seen in the gas giant today.. Astrobiology ...

A massive planetary embryo may have hit Jupiter 4.5 billion years ago. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. About 4.5 billion ...

Earth's Core Is in a Weird Superionic State: 'Quite Abnormal' Published Feb 14, 2022 at 6:59 AM EST Updated Feb 16, 2022 at 3:55 AM EST. By Orlando Jenkinson . Nature Reporter.