"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether it’s a medicine that has saved countless lives or an equation that helped propel the evolution of ...

For centuries, alchemists dreamed of turning lead into gold — not through magic, but by unlocking the hidden potential within metals themselves. While their methods never panned out, those of modern ...

WASHINGTON (AP) — The horse transformed human history – and now scientists have a clearer idea of when humans began to transform the horse. Around 4,200 years ago, one particular lineage of horse ...

In 1977, scientists discovered a mysterious signal beaming from space that was so powerful it prompted astronomer Jerry Ehman to write 'Wow!' on the telescope's readout. For decades, scientists have ...

The prehistoric origin story of modern birds has always gone something like this: 66 million years ago, dinosaurs roamed the Earth, an asteroid between 10 to 15 kilometers wide smacked into what is ...