Aug. 16 -- Seventy-two pounds of deadly plutonium are speeding toward Earth at more than 36,000 mph, and will miss slamming into the planet by a mere 725 miles. And that’s just as NASA planned.

The spacecraft is set to plunge to its death in Saturn's atmosphere in April. — -- NASA's Cassini spacecraft is beginning a series of "ring grazing" orbits today to study Saturn's rings and moons ...

Cassini detected fresh organic compounds in ice plumes from Enceladus’s subsurface ocean, strengthening the moon’s potential ...

NASA's Cassini probe zipped by Saturn's largest moon Titan on Tuesday (July 24) in a close flyby to search for a lake filled with liquid methane. The Cassini spacecraft flew within 629 miles (1,012 ...

What lifeforms could potentially exist within the ocean of Saturn’s moon, Enceladus? This is what a recent study published in Nature Astronomy hopes to address as a team of scientists investigated the ...

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 ...

On Oct. 15, 1997, NASA launched the Cassini spacecraft on a mission to explore Saturn and its moons. It took almost 7 years for Cassini to reach Saturn. Another smaller spacecraft called Huygens ...

NASA's Cassini spacecraft is getting a grand but hilarious opera send-off before it plunges through Saturn's atmosphere and vaporizes Friday. An actor from TV's old "Star Trek: Voyager" series, Robert ...

After a 20-year voyage around Saturn, NASA's Cassini spacecraft has completed its mission with a final plunge into the planet's atmosphere. Cassini was the first spacecraft to orbit Saturn giving NASA ...