NASA is preparing to revive the dormant Cassini spacecraft in orbit around Saturn, which ceased science operations three weeks ago due to a computer glitch. Cassini mission controllers plan to ...

Just six months after the Cassini spacecraft arrived at Saturn, its cameras caught something spectacular. It was Jan. 16, 2005, and Cassini was zipping past Enceladus, a bright, tiny moon just 313 ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

NASA's Cassini probe discovered giant geysers erupting from Saturn's icy moon Enceladus, revealing a hidden subsurface ocean with a chemistry unlike anything on Earth. Analysis of these space-borne ...

With the recent discovery of traces of what may or may not be or have been life on Mars, eyes are turning to another world in the solar system which might harbor extraterrestrial life. Old data from ...

Voyager 1 is already the first human spacecraft to reach interstellar space and the farthest human-made object from Earth.

As NASA's Cassini spacecraft turned its imaging cameras to Earth, scientists, engineers and visitors at NASA's Jet Propulsion Laboratory, Pasadena, Calif., gathered to wave at our robotic photographer ...

Photo cuts through haze to reveal some of the features on moon's surface. This composite image shows an infrared view of Saturn's moon Titan from NASA's Cassini spacecraft, acquired during the mission ...

Saturn’s rings appeared to disappear on November 23 due to a rare optical illusion. The phenomenon, which occurs every 13 to 15 years, happens when the rings line up perfectly edge-on with our planet.