Have you ever spent hours looking for something you just know is there, only to be doubted? In 1987, most astronomers thought there was nothing in the outer solar system, …

Microbiologist Hazel Barton goes spelunking in sticky mud, camping underground, and rope climbing in a atrium—all to research cures for antibiotic-resistant diseases. Episode filmed live at the 2009 World Science …

Why is there something rather than nothing? And what does ‘nothing’ really mean? More than a philosophical musing, understanding nothing may be the key to unlocking deep mysteries of the universe, from dark energy to why particles have mass.

Acknowledging the scientists who blazed intellectual trails before him, Isaac Newton wrote, “If I have seen a little further it was by standing on the shoulders of giants.” In this special annual series, we invite our audience to stand on the shoulders of a modern-day giant. This year, we are honored to present an address by a titan of physics, Barry Barish.

When listing clean renewable energy sources, solar, wind, and geothermal come to mind. But thanks to new reactor technologies, there’s a transformation afoot.

Nanotechnology has found its way into a wide range of consumer products, from cell phones to odor-resistant socks. But is this tiny tech up to one of the biggest challenges …