biosignatures
Even if Exoplanets Have Atmospheres With Oxygen, it Doesn’t Mean There’s Life There
In their efforts to find evidence of life beyond our Solar System, scientists are forced to take what is known…
Estimating When Life Could Have Arisen on Earth
A new study by a team of Canadian researchers places new constraints on when life first emerged on Earth, which…
Another Way to Search for Biosignatures of Alien Life. The Material Blasted out of Asteroid Impacts
According to a new study by an international team of researchers, a good way to look for signs on life…
It Looks Like Plate Tectonics Aren’t Required to Support Life
According to a new study, it is possible that extra-solar planets with no plate tectonics might be capable of supporting…
Researchers Just Scanned 14 Worlds From the Kepler Mission for “Technosignatures”, Evidence of Advanced Civilizations
In the Search for Extra-Terrestrial Intelligence (SETI), a team of astronomers recently searched through the Kepler field to look for…
Using Atmospheric Beacons to Search for Signs of Extra-Terrestrial Life
A new study by a team of NASA scientists has shown how searching for biosignatures known as atmospheric beacons could…
Metal-Eating Bacteria Could Have Left their “Fingerprints” on Mars, Proving it Once Hosted Life
A new study by a team of European scientists has shown how metal-eating bacteria could have left their mark on…