Scientists believe the exoplanet HD 20794 d, six times the mass of Earth, could harbour liquid water on its surface.

Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, belongs to the group known as super-Earths. It is located in a star system less ...

The exoplanet – a planet outside our solar system – was spotted by Oxford University scientists orbiting in the ‘habitable zone’ of a nearby star similar to our sun, 20 li ...