Humans were not designed for space. Ironically, because we insist on going there anyway, scientists now know from studying astronauts that the lack of Earth’s gravity can wreak health havoc, such as ...

Rising sea levels are slowing Earth’s rotation, lengthening how long an average day lasts. And the current rate of increase to a single average day—1.33 additional milliseconds per century—is ...

Hunter-gatherers in Europe carefully selected ingredients and cooked complex foods, often pairing fish with specific plants, ...