After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel ...

You can actually see things in Earth's orbit like weather balloons, the International Space Station, and a 60-satellite system called Starlink. Technology has created more clutter in the sky ...

Come show off your trivia chops, meet fellow NOVA nerds, and win fun prizes! Each month features creative categories in science as we test your knowledge of the natural world, space, the history ...

The woodchuck’s weather forecast is an annual ritual that goes back more than a century in western Pennsylvania, with ...

There are trillions of planets out there. Are any of them sending spaceships our way?

World-renowned astrophysicist, author and host of PBS NOVA's spinoff ... "There is a lot of conversation happening about space," Dr. Ferati said. "Earth-like planets, the feasibility of future ...

The F/A-18s, a Naval workhorse, owned the local air space that day—but only until ... are just part of the eyewitness visuals featured in the new PBS NOVA documentary “What Are UFOs?” ...

His story, along with scientific and anecdotal opinions are the subjects of PBS’ “Nova" streaming on PBS.org ... that this was a potential adversary that could be spying on our space and on our ...

This ‘NOVA’ presentation examines flying-saucer sightings and how conspiratorial thinking takes hold in the absence of ...