Penguin poo helps form clouds over antarctica

What the scientists are saying… The oldest ...

I found your recent article Are We Aliens? (June, p62) very interesting. I noticed it mentioned that samples from the Mars Sample Return mission would “give us further clues” about the panspermia theo

Melting glaciers could make volcanic eruptions more explosive and ...

A digester in action at a dairy farm ...

The question about wild swimming I get asked most often is: “is it safe?” Rarely does this query refer to the risk of drowning – the usual concern is about the quality of the water. And understandably

Structured, social and remarkably sophisticated, a bustling woodland ant community is home to engineers, farmers, nurses and warriors