- Just how many threatening asteroids are there? It's complicated. Space.com
- Armageddon fears as expert warns 'no plans' to boost Earth's defence against asteroids Daily Star
- Calls grow for US to bolster defense against asteroid threat New York Post
- Calls Mount for US Gov't to Bolster Planetary Defence Amid Threat of Armaggedon - Report Sputnik International
- View Full coverage on Google News
Just how many threatening asteroids are there? It’s complicated. – Space.com
ByGoogle News
Nov 21, 2021