Nuclear War Could Spark Global Famine

[ad_1] Even a small conflict in which two nations unleash nuclear weapons on each other could lead to worldwide famine, new research suggests. Soot from burning cities would encircle the planet and cool it by reflecting sunlight back into space. This in turn would...

Kyiv Cruise Missile Strike Highlights Need to Protect U.S. Cities

[ad_1] Russia recently attacked Kyiv with a cruise missile in a menacing demonstration of Moscow’s ability to carry out a long-range strike against a metropolitan target. The successful assault exposed vulnerabilities in Ukraine’s air defenses—and highlighted similar...

Space Won’t Be Safe Until the U.S. and China Can Cooperate

[ad_1] China is undeniably one of the world’s top players in space these days, with successful missions to the moon and Mars and a solar probe due to be launched soon. Its rise has spurred competition with the U.S.; “Watch the Chinese,” NASA Administrator Bill Nelson...

Will War Ever End?

[ad_1] I recently asked my first-year humanities classes: Will war ever end? I specified that I had in mind the end of all wars—like the one currently ravaging Ukraine—and even the threat of war between nations. I primed my students by assigning “Warfare Is Only an...