Well, not only is ‘Real or Fake?’ back with a new installment, but this time it concerns everybody’s favorite impossibility: perpetual motion machines! It’s likely that you’ve already seen the photos ...

Heading into space means leaving Earth's gravity behind. Astronauts floating around on the International Space Station might look like they're having fun in the weightless environment, but a lack of ...

The architects behind the Burj Khalifa in Dubai — the world’s tallest building, for those keeping score — are teaming up with a startup to turn future skyscrapers into massive, gravity-powered ...