28 August 2016
How habitable is Proxima b?
..., Spain, have modelled the radiation received over the planet’s lifetime to asses the planet’s ability to maintain liquid water on its surface. The team calculate that Proxima b currently receives 30 times more extreme ultraviolet (EUV) radiation...
23 June 2021
Exoplanets with Earth-like biospheres may be rare
...a planet habitable for life as we know, such as liquid water and a decent non-toxic atmosphere, are long lost, ...see that if conditions are not right, such as a lack of liquid water or a toxic or thin atmosphere, then the chances of intelligent life...
10 August 2020
Salty dwarf planet Ceres could be hiding an ocean
...surface. The leading explanation at the time for how briny liquid water was sloshing around below Ceres’ surface was put down ... source, in which the salts play a major role in preserving liquid in this heat-starved body, say the team. Ceres’ ocean ...
08 December 2021
Iron might be key for finding life on other worlds, new study says
... by which iron influenced the development of complex life forms. As far as we know it, for life to exist it needs access to liquid water. But another element crucial for cell functionality, on Earth at least, is iron. Cells use iron for DNA...
05 October 2020
A dozen "superhabitable" planets better than Earth identified in new study
... with planet-star systems where probable terrestrial planets could be orbiting within the host star's liquid water habitable zone. Water is key to life as we know it and the authors argue that a little more of it would help, especially in the...
April 2019
Scanning the skies for exoplanets
... Celsius (805 kelvin), chances are that LHS 3844 b doesn’t have any either. “Life as we know it requires liquid water and complex molecules (amino acids, nucleotides). Such molecules cannot survive in temperatures greater than 200 degrees...