Earth-Sized Planets Orbiting A Single Star

Astronomers have announced the discovery of seven Earth-sized planets orbiting a star. Three of the planets are within what's considered to be the habitable zone where surface water might exist and therefore life may be possible. Using current rocket technology it would take hundreds of thousands of years to get there from Earth.

The Trump administration has revoked US government protection for transgender students in schools, angering teachers and campaigners.

And the city of Bulawayo in Zimbabwe has been ranked as the lowest in Africa, in terms of housing, infrastructure and governance according to a Swiss study.