Lebanon is still a major sticking point in the shaky ceasefire between the U.S., Israel, and Iran. And there is little clarity about the Strait of Hormuz. Both the U.S. and Iran have said the passage will reopen. But there’s been very little traffic through the vital shipping route, days into the precarious two-week truce.

And: The Federal Liberals are heading into their Montreal convention with one more caucus member. It puts them just one seat away from forming a majority government.

But that new caucus member brings her own political baggage, and stirs questions about whether the party will need to adapt its policies.

Also: The makers of a next-generation AI model say it's too powerful for the public. Anthropic says its new model could enable widespread hacking and lead to cybersecurity risks. What you should know about Claude Mythos.

Plus: Emperor penguins fall victim to the climate crisis, last full day in space for four astronauts on board Artemis II, and more.