Near Earth Asteroids: Dr. Anne Virkki

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Earth. Today, Earth's twin is a planet knocked...

Cave paintings and lunar calendars exist in the caves and remains of prehistoric hunters studied recently. What if Prehistoric Man were clever enough...

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

The first feature from Alison McAlpine is a dialogue with the heavens—in this case, the heavens above the Andes and the Atacama Desert in...

Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly...

At least we're alive. Humberto.

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the Earth. Several international teams of scientists...

Documentary on the mass sterilization of Puerto Rican women during the 1950s and '60s.

Photo sequence of the rare transit of Venus over the face of the Sun, one of the first chronophotographic sequences. In 1873, P.J.C. Janssen, or...

The ancients hid the secrets of their incredible knowledge of astronomy in their temples and palaces, built to align with the sun, on the same day,...

Following engineers and scientists on a groundbreaking mission as they build, test and launch the James Webb Space Telescope, the most powerful...