Tag
5 Breaks tagged with astrobiology
Mars is nowadays a frozen desert devoid of liquid water, but it was not always like this: giant valleys and canyons on its surface show that at some point in...
Billions of years ago, Mars appears to have had abundant surface water. There is little, if any, direct evidence of the ancient atmosphere that helped make the...
Oxygen is a life-sustaining element that makes up about twenty percent of the air we breathe. Our research suggests that the stepwise rise of O2 in our...
Cyanobacteria have always lived on solar power… yet we found them living in the Earth’s crust, 600 meters below the surface. Our results suggest that they have...
A body of liquid water about 20 km across was detected by radar under 1.5 km of ice in the Martian southern polar cap. This water is likely saturated with...
