Strange Gas in Mars' Atmosphere Hints the Red Planet Is Still Volcanically Active—and Points to Places to Search for Alien Life
Cracks along a giant Martian volcano, possibly above a magma chamber, might be spewing magmatic gases into the atmosphere, according to a new study. The fissures might host environments akin to Earth's hydrothermal vents, where life on our planet may have emerged
We haven't written up this one. Smithsonian has the full story — the link below goes straight to it.