Five children killed, six injured in two-vehicle crash near Guelph, Ont.

Good morning – and also, a quick goodbye. After more than two years and 300 newsletters, this is my final Morning Update. I’m moving to another beat at The Globe, and some new and some familiar faces will take over the newsletter this summer. Thank you so much for reading; it’s a huge privilege to land in your inbox each day. Before I go, though, let’s look up: Earth’s orbit is getting cluttered with satellites and all manner of space junk. But first: