A new study has determined that certain life forms are capable of surviving a trip through space on an asteroid.
Evidence of ancient life on Mars might be found in a place where NASA's rovers have yet to explore.
Known as Prototaxites, these bizarre organisms had long proven challenging to categorize.
These ancient life forms can help to teach us about the past, but is thawing them out really a good idea ?
A type of single-celled organism could be the key to answering the age-old conundrum of what came first.
Park staff at Cape Lookout National Seashore posted up images of the organisms to ask if anyone could help identify them.
A recent ice-boring operation has revealed the discovery of organisms living deep beneath the ice shelf.
This huge rope-link organism - the largest of its kind ever recorded - was spotted off the coast of Australia.
A leading British space scientist maintains that Jupiter's icy moon is very likely to be home to alien organisms.
A microbe with an appetite for meteorites has shown that space rocks may be able to carry life across the cosmos.
A zoo in Paris has showcased one of the world's strangest organisms - a brainless, self-healing 'blob'.
A new paper has suggested that we may have no choice but to spread microorganisms to the Red Planet.
According to a new study, many planets in the so-called habitable zone can only support single-celled organisms.
The live, lab-made microbe, which has a fully synthetic DNA code, is the first of its kind ever created.
Scientists have identified the fossilized tracks of a worm-like organism that lived 2.1 billion years ago.
Scientists have discovered the remains of several types of organisms in a lake over 1km beneath the ice.
The organisms, which sit on a 'major new branch' of the tree of life, were found in woodland in Nova Scotia.
A single-celled protozoan may actually be a lot faster than cheetahs, marlins or peregrine falcons.
NASA is investigating the possibility of sending a probe to Mars that could directly seek out alien life forms.
Scientists have identified a diverse group of organisms within fossils dating back 3.45 billion years.