In the last three decades, scientists have discovered around 4,000 exoplanets outside our solar system. What are these mysterious worlds, and will we find alien life on them?
Despite the march of globalisation, there are still around 100 remote tribes that have no contact with the outside world. But they face ever growing threats from disease and climate change.
In 2020, NASA will open the International Space Station to tourists. Meanwhile, private space companies are racing to send travellers into orbit. Will you be going to space on holiday soon?
NASA’s InSight Mars mission
Mars has captivated the human imagination for hundreds of years. NASA’s InSight mission is currently giving the planet “its first thorough check-up since it formed 4.5 billion years ago”.
Many schools are dropping analogue clocks in favour of digital clocks, as more young people do not know how to read them. Here is a look at how, through history, people have told the time.
World War One
We know that the war began with a single pistol shot. It then degenerated into slaughter and stalemate. But how did history’s second deadliest conflict end? And was it ever truly resolved?
Across the world from Mexico to Somalia, thousands are dying in conflicts that seldom make headline news. Here are six wars that too frequently slip under the radar.
Politicians are falling over themselves in their effort to extol the virtues of learning maths, and even comedians think it’s cool. So what’s all the fuss about? Let’s look at the figures.
The world is gripped by the discovery of a group of boys in Thailand who had been trapped in a cave for nine days without food. How can people survive in the most extreme circumstances?
Chocolate is big business. The average Briton eats more than 10kg of it every year — much of that over Easter. This statistic may seem worrying, but is the substance as bad as people think?
The poisoning of a Russian spy has ignited a fascination with lethal toxins. You may know about arsenic and cyanide, but these are tame compared with the world’s most lethal substances…
It barks. It plays with toy bones. And, most crucially, it remembers who you are. Meet Aibo, Sony’s revamped robotic dog. Why is the company relaunching a product it killed off a decade ago?
Saving the environment
How can humans save the environment? A report has warned that “time is running out” to fix Earth’s climate crisis, and states that action from governments and citizens is “urgently” needed.