If you've spotted spooky purple streetlights in the middle of summer, they probably aren't a sign that a neighborhood has started celebrating Halloween early this year. Instead, the violet hue seen ...

Umair Irfan is a correspondent at Vox writing about climate change, energy policy, and science. He is also a regular contributor to the radio program Science Friday. Prior to Vox, he was a reporter ...

In daylight, my garden is a beacon of color and texture, but when the sun sets, the yard becomes a black hole. Delivery drivers struggle to see the house numbers or find the footpath, and I hold my ...