A potentially habitable new planet has been discovered 146 light-years away – but it may be -70C

The Earth-size planet HD 137010 b has a 50% chance of residing in the habitable zone' of its sun-like star, scientists say

Astronomers have discovered a potentially habitable new planet about 146 light-years away which is Earth-sized and has conditions similar to Mars.

The candidate planet, named HD 137010 b, orbits a sun-like star and is estimated to be 6% larger than Earth.