Undaunted: The Forgotten Giants of the Allegheny Observatory

US federal investigators are called in to determine the cause of a mysterious jetliner crash in Panama. Nothing about the accident makes sense, until...

Meet Brian Boland—the beloved, eccentric hot air balloonist and artist from the rural Upper Valley of Vermont.

Today we cut the granite with diamond-cut blade as is one of the most difficult rocks to cut due to its hardness.How could the egyptians, if it was...

China's FAST (Five-hundred-meter Aperture Spherical Telescope) can detect radio signals emitted tens of thousands of light-years away, and engineers...

The 2022 film "Top Gun: Maverick" continues the adventures of the ace fighter pilot made famous by Tom Cruise. But how true to life is the fictional...

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked...

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's...

For the first time in 40 years African skies resound to the roar of a flying boat. Alexander Frater boards a wartime Catalina in search of the...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - among nature's more spectacular phenomena –...

Since it explored Pluto in 2015, the New Horizons spacecraft has been zooming toward NASA's most distant target yet. Join the mission team as the...

Svalbard is a norwegian archipelago in the Arctic Ocean where the world's northernmost city is situated. It is a place where the underground,...