'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

3 months ago 21

1. Homepage
2. Science
3. '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