When your dog reaches out toward the wall, that’s an automatic reflex—like when a doctor taps your knee and your leg jerks ...

Many pet owners have debated for years: are cats smarter than dogs, or is it the other way around? Animal intelligence is complex, and comparing cats and dogs isn’t as simple as counting tricks or how ...

Health Surgery performed on a baby in the womb, a rogue chatbot deletes a company's database, why the universe could end much sooner than expected, and forecasters race to understand this year's rapid ...