"The Bulletin" (more correctly, the "Bulletin of the Atomic Scientists") has always had (somewhere on the cover) the "Doomsday Clock". This is what the editorial staff of the magazine consider to be the situation with regard to the risk to humanity. The closer to midnight, the greater the risk. It varies according to international relations, environmental damage, weapons proliferation etc.
With the election of an unqualified and intellectually-challenged (whatever else you might like (if you do) about him) president in the US, the world looks like a much less warm and safe place than it did when Obama (whatever you hated (if you did) about him) was in charge.
