Microbes took a balloon to the stratosphere, where some of them proved resilient to Mars-like conditions.
“It looks like the majority of these organisms are living at energy regimes that are below what we thought was even capable of maintenance—just staying alive.”
High temperatures "seem to be an Achilles heel" for otherwise resilient water bears, a study found.
Scientists found a carcass of the extremophile, microbial tardigrade a kilometer underground near an Antarctic lake.
An ocean expedition near the Baja Peninsula revealed a strange, never-before-seen seascape teeming with life.
“A decade ago, we had no idea that the rocks beneath our feet could be so vastly inhabited.”
Luke McKay, an astrobiologist and microbial ecologist, is probing the extreme limits of life on Earth to answer bigger questions about the universe.
The blood red falls tumble out of a glacier 100 feet to a lake below.
Yet another reason to get going on those Venusian cloud cities.
Anna-Louise Reysenbach is searching the sea floor for clues about life on Earth and beyond.
If we can find life two miles underground, we might be able to find it on Mars.