Recent breakthroughs in dating ancient samples of DNA and human remains have led to a radical reassessment of human origins. At least ten other early human groups–some with the cognitive capacity to make …

For decades, inflation has been the dominant cosmological scenario, but recently the theory has been subject to competition and critique. Two renowned pioneers of inflation — Alan Guth and Andrei …

In his first World Science U Q+A session, Brian Greene takes questions on a variety of subjects including relativity, quantum, the cosmos and his WSU course, Space, Time and Einstein. …

“Success in creating effective A.I.,” said the late Stephen Hawking, “could be the biggest event in the history of our civilization. Or the worst. We just don’t know.” Are we …

Just a handful of technologies deserve to be called “game changers”—and CRISPR-Cas9, the new gene-editing tool, is one of them. Discovered just three years ago, CRISPR is sweeping through labs around the world and researchers are already using it to experiment on diseases.

“Because it’s there” was George Mallory’s famous explanation for why he risked (and lost) his life trying to become the first person to summit Everest. We don’t all want to …