Nancy Gonzalez recruited relatives to smuggle purses made of illicit python and caiman into the US.
Hussein Julood says the burning of gas at a BP-run oil field in Iraq caused his son's leukaemia.
The European Space Agency's latest intake of astronauts complete their basic training.
The worldwide event aims to raise awareness about the need to protect the environment.
Agencies and scientists from around the world head to the UK to share space-exploration techniques.