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  • PBS Space Time

    Scientists Have Detected the First Stars

    What do the first stars, dark matter, and superior siege engines have in common?

  • PBS Space Time

    Hawking Radiation

    Stephen Hawking's most famous prediction: the theory of Hawking Radiation.

  • PBS Space Time

    The End of the Habitable Zone

    The Sun is getting brighter and the habitable planets in our solar system are changing.

  • PBS Space Time

    Understanding the Uncertainty Principle

    Large-scale phenomena can give us incredible insights into the world of quantum mechanics.

  • PBS Space Time

    The Nature of Nothing

    It turns out that "nothing" is one of the most interesting somethings in all of physics.

  • PBS Space Time

    Are the Fundamental Constants Changing?

    Recent findings suggest that the fundamental constants may not be as stable as we assumed.

  • PBS Space Time

    The Real Star Wars

    Anti-Satellite weaponry, giant X-ray lasers and kinetic impact missiles nicknamed the “Rod

  • PBS Space Time

    Feynman's Infinite Quantum Paths

    There is a fundamental limit to the knowability of the universe.

  • PBS Space Time

    Superluminal Time Travel + Time Warp Challenge Answer

    Find out how traveling faster than light and traveling back in time are the same thing.

  • PBS Space Time

    The Race to a Habitable Exoplanet - Time Warp Challenge

    You’ve discovered a habitable exoplanet, but so has an an evil interplanetary mining corpo

  • PBS Space Time

    Why Quasars are so Awesome

    Quasars ... the most metal thing in the universe.

  • PBS Space Time

    Quantum Vortices and Superconductivity + Challenge Answers

    Scientists studying quantum vortices and their impact on superconductivity just won the No

  • PBS Space Time

    Is an Ice Age Coming?

    Matt looks at how the changes in our planet’s orbit and rotation impacts our climate.

  • PBS Space Time

    When Time Breaks Down

    We learned how motion gives matter its mass, but how does motion affect time?

  • PBS Space Time

    5 Ways to Stop a Killer Asteroid

    Asteroids incoming!