Will evidence for life on Mars look like fettuccine pasta?

The search for life on Mars usually involves looking for past or present microbes, invisible to the eye. Scientists at University of Illinois suggest searching instead for a type of rock formation known on Earth to be created by microbes. Source: https://earthsky.org/space/fettuccine-rocks-mars-astrobiology-sulfuri-bacteria-geology-space…

Trilobites: It’s Warm and Stealthy, and It Killed Yellowstone Trees and Turned Soil Pale

A growing warm spot in a remote section of the national park was not unexpected, but it sneaked up on the park’s volcanologists. Source: https://www.nytimes.com/2019/04/12/science/yellowstone-volcano-warm-spot.html?partner=rss&emc=rss…