A closer looks at Mercury's tail. Mercury has been spotted cosplaying as a comet recently when the sun's neighboring planet reached its nearest point to our star, exposing its massive, streaking tail ...

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JWST has captured exoplanet Tylos shedding its atmosphere into two giant tails, revealing how extreme stellar radiation can ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

A closer looks at Mercury's tail. A closer looks at Mercury's tail. Mercury has been spotted cosplaying as a comet over the last few days when the sun's neighboring planet reached its nearest point to ...

Mercury's comet-like tail is made predominantly of sodium ions. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mercury has been spotted ...