If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

She said it softly, a burden shared with a stranger in a museum: “It happened to me.” She was standing behind me when I overheard this quiet revelation. It rooted me to the spot. The remaining ...