NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and test technology that may pave the way for human travel to Mars.

Three million years ago, camels roamed through Greenland’s endless forests and our ancestors lived i...

NASA film documenting the launch and commissioning of AzTechSat-1, a pioneering one-to-one communica...

The Apollo 17 mission was the final opportunity to collect first hand information about the history ...

For several decades, geoscientists have been observing that the Earth is changing rapidly due to hum...

A featurette detailing NASA's plans for putting humans on Mars over the next twenty or thirty years,...

To help visualize the dramatic final chapter in Cassini's remarkable story, NASA's Jet Propulsion La...

Social isolation affects millions of people, even Mars-bound astronauts. A savvy NASA psychologist i...

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Ea...

July 1969. America made history and sent the first humans to the moon. High-quality NASA footage and...

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...

NASA's biggest spacecraft, Cassini, plunges into Saturn in the final act of a 20-year mission showca...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as...

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the...

Never-before-aired NASA footage presents evidence that the Moon is being used as a base.

Sally Ride's groundbreaking journey as the first American woman in space concealed a deeply personal...

Top Gear presenter James May presents this informative program that examines the historic moon missi...

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activit...

Documentary about space colonization: a voyage across our planet, into the stars and beyond.