Nasa says its most distant probe is once again sending usable information back to Earth.
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.
In a BBC interview, Chris Stark says the PM has not made climate change "as much of a priority as his predecessors".
The US space agency is seeking a cheaper, faster solution to bring Martian rocks to Earth for study.
The renowned scientist came up with revolutionary ideas in the 1960s, sparking a 50-year search for evidence.
"We are not made to sit in a rocking chair and knit," said one of the older Swiss women who won.
Stunning spectacle is witnessed by millions across the continent. Here are some of the stories.
Scientist Marie Makuate wants more African countries to have their own satellites orbiting Earth.
The US government has asked Nasa to develop a way to keep track of time on the Moon.
The world's most powerful rocket makes a huge leap in progress in its third test flight.
It's the ninth month of global temperature records in a row, driven by climate change and El Niño.
Ammonia is essential for fertiliser production but producing it is carbon intensive.
The ECT allowed fossil-fuel companies to sue governments for billions in compensation for lost profits.
The last 12 months were the hottest on record, temporarily sending the world past a deeply symbolic mark.