Officials at Yellowstone National Park reveal that they had to put down a newborn bison after some tourists put it in the boot of their car.

In a major genetic study, scientists trace the historic global spread of a cancer transmitted between mating dogs.

UK universities could find it harder to recruit international students if the UK leaves the EU, suggests a survey.

Britain's first astronaut says the UK risks becoming a "backward nation" if the government does not pay to send more people into space.