US space shuttle returns to Earth for the last time
Atlantis will reach Kennedy Space Station tomorrow morning. Thirty years after the ambitious space shuttle programme began, is the project a triumph or an embarrassment?
East Africa hit by returning drought and famine
The United Nations believes 10 million people are at risk from lack of food and water in the Horn of Africa. Lack of rain has left crops failing and livestock dead.
Invisibility cloak on way after sonar breakthrough
High-tech 'metamaterials' can make objects invisible to sonar, scientists have found. It's a step towards the ultimate camouflage, which could one day allow people to disappear entirely.
China drought raises fears of global crisis
Parts of China are experiencing their worst drought in 50 years. Desperate officials have opened dams, spending the country's water reserves. But water shortages remain a global threat.
‘Fairy story’ religion under fire again
Stephen Hawking, the world's most famous living physicist, has given a rare and explosive interview. By calling the afterlife “a fairy story”, he has reignited debate between science and...
The antimatter mystery and the ‘Big Bang’
Scientists in a US laboratory have created the world's heaviest particles of antimatter. It's a step towards understanding one of the deepest mysteries of the universe.
Celebrating fifty years of the final frontier
It's half a century since mankind first journeyed into space. A special mission launches today to mark the occasion. These days getting to orbit is easy – but where can astronauts go next?
Forecasters predict hot August. Are they sure?
We all want to know what the weather's doing. But can we predict it months ahead? It's an issue clouded in controversy.
Counting qubits: computing at the edge of reality
Scientists in America are celebrating an exciting new invention. If the 'quantum computer' can be made to work, we might be on the brink of a technological revolution.
Aliens – from science fiction to science fact?
A NASA scientist has stirred debate over life forms from outer space. He claims to have found fossils of unknown bugs inside meteorites. Is he for real?
Mars 500: fake space mission reaches its goal
A multinational team of 'astronauts' have simulated a Mars landing after nearly a year in isolation. But was it worth the journey?
‘Monster killer storm’ devastates Queensland
The most powerful cyclone ever to hit Australia struck Queensland this week. As devastation reigns, are such natural disasters inevitable?
Jabulani: The last-minute swerve… towards boredom
When goalkeepers criticised Adidas’s new World Cup ball, we expected goals galore. Is the Jabulani to blame, or just the answer to a question that no-one was asking?