You might also like
Landing humans on Mars will be hard, but keeping them alive will be even harder. NASA scientists are on the verge of designing some of the most innovative rockets and training the astronauts who will pilot them.
S1E5 • Mars: The Secret Science Series 1 • 2014 • Astronomy
Scientists are only now starting to unravel the secrets of comets. Often referred to as dirty snowballs, they contain ice and elements from the very start of the universe. Some theorize that a comet, crashing into our planet, brought with it the organic material that started life on Earth. Spacecraft continues to offer new information on their makeup, from bringing back samples from a comet's tail to direct contact when a NASA-launched craft slammed into the comet Tempel-1.
Planet Science • 2007 • Astronomy
The center of the Milky Way is home to strange and deadly phenomena that we don't yet understand, but using the latest science, experts are revealing how the supermassive black hole our galaxy's core shapes life on Earth.
S8E8 • How the Universe Works • 2020 • Astronomy
Most major geological processes require millions of year to become noticeable. Meteor impacts are exceptions which can cause comparable changes in seconds.
S1E10 • How the Earth Was Made • 2009 • Astronomy
The rocky planets Mercury, Venus, Earth, and Mars were born at the same time from the same material - yet have lived radically different lives. What immense forces are at play?
S1E1 • The Planets 2019 • 2019 • Astronomy
If we faced a countdown to destruction, could we build a spacecraft to take us to new and habitable worlds? Can we Evacuate Earth? This documentary special examines this terrifying but scientifically plausible scenario by exploring how we could unite to ensure the survival of the human race.