Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, ...

The discovery of a potentially habitable 'super-Earth' exoplanet, HD 20794 d, was published in the scientific journal ...

We are talking about HD 20794 d – a planet belonging to the group of so-called super-Earths. It is located in a star system ...

Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.