Come venture deep inside the world’s biggest physics machine, the Large Hadron Collider. This extraordinary feat of human engineering took 16 years and $10 billion to build, and just weeks ago began colliding particles at energies unseen since a fraction of a second after the big bang.

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 …

Making sure the parachute deploys exactly on time and lands rovers safely on Mars is in the hands of NASA engineer Michael Meacham. Check out the experiments he conducts on …

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 …

There are many types of telescopes used in astronomy, but X-ray telescopes offer a view of the cosmos that reveal just how much of a living ecosystem the universe is. …

We once shared the planet with Neanderthals and other human species. Some of our relatives may have had tools, language and culture. Why did we thrive while they perished?