From cave hotels to an underwater lab and a missile silo, these five underground stays in the U.S. offer a truly unique ...

A new NASA study challenges the long-held belief that Saturn's moon Titan has a global ocean beneath its surface, suggesting instead layers of ice and slush with pockets of water ...

For years, planetary scientists treated Titan as an ocean world in disguise, a frozen shell hiding a vast global sea of ...

For years, scientists thought Saturn’s moon Titan hid a global ocean beneath its frozen surface. A new look at Cassini data ...

Instead, continuing to study Cassini's original data has led a team from the Jet Propulsion Laboratory to the conclusion that there is no subsurface ocean at all. Now, they believe that the structure ...

A new analysis of data from NASA’s Cassini spacecraft may upend Titan’s status as an ocean world. But it might still have pockets of water within a slushy ice layer ...

According to a NASA study, Saturn's moon Titan may be the most fantastically large slushie of all time. Based on a reexamination of data from the Cassini probe collected in 2012, the moon's ...

For years, scientists believed that Titan, Saturn’s largest moon, hid a vast ocean of liquid water beneath its thick, icy ...

This week, NASA’s Jet Propulsion Laboratory in Southern California made a big discovery for Saturn. Titan-Saturn’s largest ...

A new analysis of Saturn's moon Titan that reduced the odds of a subsurface liquid ocean has increased the chances of ...

A new NASA study of data from its old Cassini mission to Saturn suggests that giant moon Titan may not have a global ocean — ...

CAPE CANAVERAL, Fla. (AP) -- Saturn's giant moon, Titan, may not have a vast underground ocean after all. Titan instead may hold deep layers of ice and slush more akin to Earth's polar seas, with ...