11 December 2019
Even in physics, there is no such thing as truth. We should carry on trying to categorise the world, though, providing we realise that it sometimes resists such efforts
11 December 2019
Our conceptions of alien life are based on a sample of one: Earth’s life. That means even our wildest imaginings are likely to be completely off beam
11 December 2019
If only the fittest survive, why do good deeds for no return? The enduring mystery of altruism goes to the heart of how evolution does – and doesn't – work
11 December 2019
The fossil record tells us extinctions happen all the time. The question is what part we play – and whether we could ever bring back creatures like the dinosaurs
11 December 2019
Are you a human, or a human-Neanderthal hybrid? The concept of the species, one of the most basic in biology, may not be as well-defined as we think
5 December 2019
Newly discovered mammal fossils reveal the crucial evolutionary step when the bones for hearing and chewing finally separated
5 December 2019
The slaughter of half of China’s pigs due to the African swine fever virus raging across Asia and Europe has helped drive world food prices to a two-year high
5 December 2019
For the first time plants have been recorded making sounds when stressed. The sounds differed when they were injured or thirsty, a finding that could help farmers
