Dan Blumstein was gently holding a yellow-bellied marmot pup, conducting research, when he first heard one scream. "I was sort of shocked by this scream and almost dropped this animal," he says. "I ...

Coyotes are often credited with eerie screams heard at night in the Southwest, but it’s never clear why the shrieking often builds to deafening levels, then abruptly stops. YouTube video screengrab ...

Over 70 years ago, Roald Dahl proposed that plants could scream in a fictional story called The Sound Machine. He suggested they could shriek — a high-pitched shriek undetectable to the human ear.

Campers who were woken up by a strange loud noise coming from outside their tent were left scratching their heads at what it could possibly be, but they seem to have figured it out. Instagram user ...