Scientists have discovered three strains of bacteria on the orbiting outpost that have never been seen before.
Scientists have successfully revived microbes found in sediment samples that are over 100 million years old.
The organisms, which sit on a 'major new branch' of the tree of life, were found in woodland in Nova Scotia.
Enough oxygen could exist within salty subsurface water on Mars to support oxygen-breathing microbes.
The plan would involve preserving the beneficial bacteria found in the guts of people from all across the world.
A new study has revealed that ancient Mars had the right conditions to support subterranean microbes.
New laboratory experiments have added support to the idea that microbes could be living on Saturn's icy moon.
The DNA of microbes found on the International Space Station has been sequenced in space for the first time.
Discovered in Western Australia, the fossil microbes are the oldest evidence of life ever identified.
Far from being a modern phenomenon, antibiotic-resistant microbes have existed for millions of years.
Researchers have found evidence of microbes surviving up to six miles beneath the Mariana Trench.
In a remarkable breakthrough, microbes trapped inside cave crystals have been brought back to life.
A new study has added weight to the idea that microbes can survive in the harsh conditions on Mars.
Scientists are keen to launch a mission to Venus to investigate mysterious dark streaks in its clouds.
If an astronaut dies in space, could their body eventually go on to spread microbes to other planets ?
750 million-year-old fossils have revealed evidence of a deadly microbe with vampiric tendencies.
New research has emphasized the remarkable persistence of life even in the cold vacuum of space.
A geobiologist has identified structures on Mars that she believes were created by microbial life.
The world's deepest ever marine drilling expedition has uncovered signs of life in the 'deep biosphere'.
The discovery could mean that there is a chance of finding life on other worlds such as Titan.