The brother goes on vision quests. The sister is a former English major. Together, they defected from OpenAI, started ...

Scientists created transgenic mice with woolly mammoth–like traits. But does it really bring us closer to bringing back woolly mammoths?

Archaeologists deconstructed these monumental ancient graves scattered across the desert of eastern Africa and found several ...

For half a century, America has been a home for people fleeing persecution, for refugees like me, writes. But the truth is ...

Homo naledi, an extinct relative of modern humans whose brain was one-third the size of ours, buried their dead and engraved ...