Linda Callahan Movies

Stunning new archaeological evidence provides clues about the Egyptians who built the Great Pyramid of Giza--and how they did it. Join researchers as...

A documentary that looks at systemic sexism faced by women scientists in STEM fields.

An American art dealer (Miguel Sandoval), who specializes in southwestern topaz, arrives by train in Liverpool. Similarly, a very proper British art...

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...

NOVA leads viewers on a mathematical mystery tour -- a provocative exploration of math's astonishing power across the centuries. We discover math's...

Four and a half billion years ago, the young Earth was a hellish place-a seething chaos of meteorite impacts, volcanoes belching noxious gases, and...

After decades of amazing discoveries, spacecraft Cassini embarks on its final - and most daring - mission: a dive below Saturn's rings.

Murdered more than 5,000 years ago, Otzi the Iceman is the oldest human mummy on Earth. Now, newly discovered evidence sheds light not only on this...

NOVA captures New Horizons' historic flyby of Pluto, the culmination of the spacecraft's nine-year, three-billion-mile journey to reveal the first...