Videos

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Couch Potatoes on Mars,100 Billion Exoplanets, Amateur Discovery, Asteroid Flyby & A Moon for the Moon.

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Nearby Exoplanet. Water on Mercury, First Private Spacecraft Docks with ISS, Curiosity on Mars, Higgs Discovery

Papers from Benoit Mandelbrot's office offer a peek into the mathematician's thinking process. His work and that of his contemporaries show how images can inform theory and discovery.

Magnets naturally levitate above superconductors. The magnet's magnetic field can't penetrate the superconductor, causing it to float almost magically above. See this phenomenon at work in an exclusive Scientific American video.

It's happened to all of us: we're cruising down the freeway and suddenly find ourselves stuck in a thick jam of other cars. Where did they come from? What caused the traffic mess? Scientific American editor Larry Greenemeier explains.

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Ticket to the Moon, Earth at Night, Ebb and Flow, Mayan Unpocalypse and Green Bean Galaxies.

Can you explain science with seven everyday items? Scientific American's interns took the challenge and created this video using stuff found around the office. Create your own video and submit it to our Iron Egghead Video Contest: http://goo.gl/5HVkt

How do scientists determine the age of fossils that have been under the surface of the earth for thousands of years? Scientific American Editor Michael Moyer explains the process of radiocarbon dating.

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Makemake's Shadow, Mars or Bust, A Super Jupiter, Largest Quasar and a Moon Mash-Up

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: The Real Planet Krypton, Sandy by Satellite, Smartphone Tricorder, Printing Rockets and a Habitable Super-Earth

Does other intelligent life exist in the universe? Until we discover aliens, or they discover us, we won't know for sure, but the famous Drake equation gives us an educated guess. Scientific American editor John Matson explains.

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Hurricane Syzygy, Ancient Starlight, Vesta Mystery, Superluminous Supernovae & ‘Hawaiian’ Soil on Mars.