NASA's MAVEN Reveals Mars Has Metal in its Atmosphere

https://www.nasa.gov/news/releases/latest/index.html

Mars has electrically charged metal atoms (ions) high in its atmosphere, according to new results from NASA’s MAVEN spacecraft. The metal ions can reveal previously invisible activity in the mysterious electrically charged upper atmosphere (ionosphere) of Mars.
Source: Solar System News
NASA’s MAVEN Reveals Mars Has Metal in its Atmosphere
Solar System News