IT WAS THE DRIEST year on record when 21-year-old Paul Gatschet saw the advertisement in the local paper. Volunteers wanted, announced the Hays Daily News. Farmers near La Crosse, Kansas, had a ...

Mars isn’t just dusty—it crackles with electricity. Scientists discovered that dust devils can generate tiny electric sparks, captured for the first time by Perseverance’s microphone. These static ...