In March 2014, scientists working on the BICEP2 telescope at the South Pole reported an incredible discovery: a swirling pattern in the cosmic background radiation that appeared to indicate the presence of gravitational waves.

Mathematics has an uncanny ability to describe the physical world. It elegantly explains and predicts features of space, time, matter, energy and gravity. But is this magnificent scientific articulation an …

Alan Alda has issued this year’s challenge to the world’s top scientists: What is sound? In an action-packed hour of interactive demonstrations, Alan and a team of communication experts invite the audience to explore what we hear, how we hear, and what that means for different species.

In this year-end wrap up, Brian Greene discusses some of the major advances in science with a focus on breakthroughs in black hole physics and the key roles played by …

Using ultrasounds, inspecting tentacles, and making protective vests for penguins is all in a day’s work for aquatic biologist Pamela Schaller Hughes. Learn how she designs aquarium exhibits for endangered …

The powerful James Webb Space Telescope–the successor to the Hubble Space Telescope–promises insight into profound questions that have dogged philosophers and astronomers for millennia. What is the origin of the …