One American living in France, who documented her experience on TikTok, said she was turned away at two separate La Poste locations when trying to send Halloween cards to her family in the United States. Both offices told her all mail, including letters, was barred from being sent due to new tariffs and customs rules. “They were so confident,” she said in a video posted on October 13. “They told me there was absolutely no way.”

A magnitude 8.8 earthquake off Russia’s Kamchatka Peninsula triggered tsunami alerts across the Pacific, prompting mass evacuations in Japan, Hawaii, and U.S. coastal states. Waves up to 16 feet hit parts of Russia, while Hawaii and California saw minor surges. U.S. federal and state agencies mobilized early warnings, and most alerts have since been lifted. Here’s what happened and how authorities responded.

Eight children in the United Kingdom are thriving after being conceived through a pioneering reproductive technique designed to prevent the transmission of mitochondrial diseases, researchers announced Wednesday. The results, published in The New England Journal of Medicine, are the first detailed reports on the health outcomes of children born through mitochondrial donation, commonly known as three-parent IVF.