The first Earth Day ushered in landmark, life-saving environmental laws. Trump threatens that progress — but we’re fighting ...

Stitching together 343 distinct photos, Joshua Rozells illuminates a growing problem of satellites polluting the night sky.

Up to 17 percent of the planet’s agricultural land may be contaminated by toxic heavy metals, a new study has found. As many ...

Louis Blessing’s wife asked for his help replacing the battery in her laptop. An electrical engineer by training, Blessing figured it would be a quick fix. But after swapping out the old battery for a ...