Asteroid Bennu: Why the return of samples is so important... in 83 seconds - BBC News

It is hoped the material from Bennu could tell Nasa how life on Earth began.

This video can not be played

CloseA capsule carrying precious samples from asteroid Bennu landed on Earth on Sunday.

Nasa scientists hope the material could give hints to how life here began.

BBC Science editor Rebecca Morelle explains why the samples are so important.

Read more: Nasa hails 'awesome' recovery of asteroid sample