Microbial pigments play multiple roles in the ecosystem construction, survival, and fitness of
all kinds of organisms. Considerably, microbial (bacteria, fungi, yeast, and microalgae) …

For decades, the search for potential signs of Martian life has attracted strong international
interest and has led to significant planning and scientific implementation. Clearly, in order to …

We revisit the hypothesis that there is life in the venusian clouds to propose a life cycle that
resolves the conundrum of how life can persist aloft for hundreds of millions to billions of …

The atmosphere of Venus remains mysterious, with many outstanding chemical connundra.
These include the unexpected presence of∼ 10 ppm O2 in the cloud layers, an unknown …

During durst storms, also biological material is transported from arid areas such as the
Sahara Desert. In the present work, rain samples containing significant amounts of mineral …

The recent discovery of extrasolar Earth-like planets that orbit in their habitable zone of their
system, and the latest clues of the presence of liquid water in the subsurface of Mars and in …

Aerosol phase elements such as phosphorus (P), sulfur (S), and metals including iron (Fe)
are essential nutrients that could help sustain potential biodiversity in the cloud deck of …

Microbes are the Earth life forms that have the highest degree of adaptability to survive, live,
or even proliferate in very hostile environments. It is even stated that microbes can cope with …

The pools of the geothermal Dallol Dome and surrounding area (in the Danakil Depression
of Ethiopia) are an extreme example of complex brines: many lack evidence of life, but …

Abstract The Danakil Depression, located in the northern segment of the Afar rift, is a world-
class example of active rifting and the birth of a new ocean. The unique, yet only partially …