The neutrino is among the cagiest of particles, a subatomic wisp so ephemeral it could pass through light years of lead with more ease than a hot knife through butter.

The nature of time is an age-old conundrum for physicists, philosophers, biologists and theologians. The Newtonian picture of time—a kind of cosmic clock that ticks off time in a manner that applies identically to everyone and everything—tightly aligns with our experience. But with special and general relativity, Einstein showed the fallacy inherent in experience.

While humanity’s past is firmly grounded on our home planet, the humans of the future may live on the moon, Mars, or interstellar ships bound for distant worlds. To prepare …

Join us for a spirited conversation between Brian Greene and Max Tegmark exploring the controversial possibility that mathematics and reality are one and the same. This program is part of …

There is little doubt that Mars will be the next step in our continuing march to the skies, with some predicting we will take that giant leap within the next …

This video is part of our Brilliant Breakthroughs series: our new 20-episode mini-series exploring the “Eureka!” moments and proud accomplishments of the greatest scientific minds of our time. Join us …