The Artemis II astronauts are already the champions of a fresh new era of lunar exploration. Launched last week on humanity’s first trip to the moon since 1972, the three Americans and one Canadian are chasing after Apollo 13’s maximum range from Earth. A total solar eclipse also awaits them as the moon blocks the sun, exposing snippets of shimmering corona.

The current campaign in southern Lebanon is designed to neutralize the most immediate threats – cross-border infiltration and anti-tank missile fire – while containing long-range Hezbollah fire. Where there are terrorists and rockets, there will be no homes and no residents, Defense Minister Israel Katz said this week, coining a pithy expression for a new Israeli security doctrine along its borders.

Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. Uri Alon was long puzzled by a textbook statistic: Longevity, the thinking went, was about 20 percent in our genes. “That makes you think what’s the rest of the 80 percent: Is it the lifestyle? Why should we study genes for lifespan if it’s not that important? It kind of bothered me,” said Alon, a physicist turned systems biologist at the Weizmann Institute of Science in Israel. Alon us