NASA’s Moon Base Plan Adds Two Rovers for Its Astronauts
NASA awarded two companies contracts on Tuesday to develop 21st-century versions of the moon buggies astronauts drove in…
As Ukraine Strikes Russian Oil Sites, an Environmental Disaster Unfolds
Yevgeny Vitishko, who lives in the Russian town of Tuapse, always wears white shirts. But the day a…
Opinion | This Is the 21st-Century Arms Race. Can America Keep Up?
In Ukraine, small, cheap, remotely controlled weapons are dominating the battlefield. China is testing how to fly drones…