By a small margin, Titan is the second-largest moon in the solar system, and is also the only moon with a thick atmosphere.

After a 20-year voyage, NASA's Cassini spacecraft is poised to dive into Saturn this week to become forever one with the exquisite planet. There's no turning back: Friday it careens through 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 ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to Earth all year. On Sunday, Sept. 21, Saturn will be at opposition, meaning the ...

For years, Titan sat near the top of the shortlist of worlds that might host life, thanks to the idea of a vast hidden ocean beneath its frozen crust. That picture has now shifted dramatically, as new ...

In a fascinating new study published in Nature in September 2025, researchers using data from NASA’s James Webb Space Telescope uncovered a breakthrough discovery that solves a long-standing puzzle in ...

CAPE CANAVERAL, Fla. -- A tiny, ice-encrusted ocean world orbiting Saturn is now a hotter-than-ever candidate for potential life. NASA's Cassini spacecraft has detected hydrogen molecules in the ...

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 ...

After 20 years in the cold void of space, NASA’s Cassini spacecraft ran out of fuel and crashed into Saturn. This sounds like a very expensive failure by NASA—-but it is NOT!, here’s why: This year, ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Titan's cold atmosphere — filled with nitrogen and methane — may be similar to what Earth was like billions of years ago. Credit: Jenny McElligott / eMITS illustration Some substances that don't mix ...