'Cataclysmic' collision of giant asteroids is discovered by NASA's James Webb Space Telescope around a nearby

'Cataclysmic' collision of giant asteroids is discovered by NASA's James Webb Space Telescope around a nearby star - and it only happened 20 years ago, scientists say - Collision between asteroids 20 years ago occurred in Beta Pictoris star system - READ MORE: NASA's James Webb telescope finds the most distant galaxy NASA's James Webb Space Telescope was built to 'see back in time', up to a whopping 13.5 billion years ago – but its latest discovery is surprisingly recent. …