How far can we see into the past through a telescope?

Seeking answers to your science questions? Ask our resident expert, Peter Gallivan

Bones create an internal armature that on some animals, such as an elephant or cow, appear quite stiff and rigid, but on others, such as the cheetah, they are gracile, loose and flexible, allowing for

Amazing answers to your curious questions

20 amazing answers t o curious

The cloning of animals – pets, farm animals, racehorses – is today done routinely on an industrial scale. Bianca Bosker investigates

What the scientists are saying… The oldest ...