Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Kelvin’s idea was inspired by the work of Hermann Helmholtz, ...

It really is amazing what nature and man can do when they work together. Portugal’s Covão do Conchos dam funnels water into an amazing ground-level waterfall during flood season. The mesmerizing ...

A vortex swirled in the westernmost point of Mexico this week, entrancing the weather community and reminding the entire world that our atmosphere is the coolest. The atmosphere put on quite the show ...