Near-Earth asteroid Bennu could hit Earth in 157 years and set off a global ‘impact winter,’ study says

Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global winter that affects our planet for years.

​ Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global winter that affects our planet for years. Read More Breaking News, Latest News and Videos | CNN