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, …

A second doesn’t always feel like a second—time can seem to slow down if you’re riding a death-defying roller coaster, or speed up while you’re having a night out on the town. But just what’s going on inside our heads to skew our perception of time?

Visual illusions, from magic tricks to images that have sparked internet feuds, are providing scientists with evolving insight into the complex act of seeing. Illusions play with the way our …

Cosmologist Hiranya Peiris joins Brian Greene to discuss pressing cosmological mysteries spanning dark matter, dark energy, the expansion rate of space, and the possibility of a multiverse.

Nobel Laureate Barry Barish and Brian Greene discuss the quickly-evolving world of gravitational waves detections—from the first detection on September 14, 2015 to its public announcement five months later through …

It’s happened. The first children genetically engineered with the powerful DNA-editing tool called CRISPR-Cas9 have been born to a woman in China. Their altered genes will be passed to their …