stranger

Astronomy

First-ever repetitive fast radio flash turns out to have an even stranger brother (and that raises new questions)

Earth & Climate

Hippo recognizes the voice of acquaintances and has a remarkable response to a stranger

History & Archaeology

Deforestation was no stranger to the Neanderthals

Earth & Climate

Scientists come up with a phone for dogs (and then pocket bells are no stranger to our four-legged friends)