For decades, scientists have tried to answer a simple question: why be honest when deception is possible? Whether it is a peacock's tail, a stag's roar, or a human's résumé, signals are means to ...

"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical ...

Ungulate migration has fascinated people for millennia. In the Western United States, ungulates such as elk, bison and mule ...

A new study has uncovered a hidden step that helps the deadliest malaria parasite survive and multiply inside the human body.

The secret to youthful appearance and repairing scars may lie in a microscopic skin structure humans share with pigs and ...

A Human Rights Watch report says that ICE raids and the targeting of political enemies shows a shift toward authoritarianism ...