4 article(s)
In the early 20th century, young women painted glowing watch dials with radium — unaware it was slowly killing them. Their fight for justice changed workplace safety forever.
With billions of galaxies and countless planets, could Earth really be the only place with life? Here's how scientists are actually searching — and why the silence is so puzzling.
An ancient linen cloth bearing the faint image of a man — revered by many, doubted by others. Decades of study have deepened the mystery of how the image was made rather than solving it.
In a remote Norwegian valley, strange glowing orbs drift through the sky — sometimes for over an hour. Scientists have studied them for decades and still can't fully explain them.