Cold-blooded & warm-blooded

When the temperature drops, how do Britain’s birds, beasts and plants keep the chill at bay? John Lewis-Stempel reveals Nature’s own thermals

Can we really bring back long-extinct animals, or are scientists just making close copies?

The ichthyosaur fossil was discovered in 2001, but ...

For centuries, scholars and psychologists have attempted to define personality theory. Here we explore what it means to be introvert, extravert or somewhere between the two

Amazing answers to your curious questions

From mouth to manure, the journeys animals’ meals go on can be very different to human digestion