Don’t dismiss the Canadian space effort, official or unofficial. The website New Space Economy is… not above leading headlines and trolling questions, but otherwise it’s a fairly informed and up-to-date operation. Up to last week:
newspaceeconomy.ca/2025/10/29/a-history-of-planetary-defense/
-, Oct. 29 A History of Planetary Defense
Not a bad piece. If you’re up to speed on this blog, then this History may be a bit redundant for you. But if you’re still learning your LONEOS from your LINEAR, give it a look. You can also forward it to your relatives and friends who need to be clued in on the topic.