An Article of Hope

New Horizons is the first mission to Pluto and the Kuiper Belt of rocky, icy objects beyond. Principal Investigator Alan Stern leads a mission team...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcanoes, earthquakes and hurricanes - affect our...

Computer animation and footage from NASA space missions explain how our solar system evolved and the place Earth has within the system.

Leningrad, 1970. A group of young Jewish dissidents plot to hijack an empty plane and escape the USSR. Caught by the KGB a few steps from boarding,...

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the mysterious red planet.

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laboratory that 16 nations came together to build. Get a...

Commentator-comic Bill Maher plays devil's advocate with religion as he talks to believers about their faith. Traveling around the world, Maher...

Recently discovered footage reveals the secret history of NASA's first landing on the moon, and using this brand-new evidence, former astronauts and...

Naomi seems like a typical nine-year-old girl, until her passion for powerlifting transforms her life with world record-breaking championships and...

In the summer of 1977, NASA sent Voyager 1 and Voyager 2 on an epic journey into interstellar space. Together and alone, they will travel until the...

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on the surface of the moon -- are paid homage in this...