On Christmas Eve 1968, Apollo 8 crewmembers Frank Borman, Jim Lovell, and Bill Anders made a live broadcast from orbit around the Moon.

On Dec. 23, 1672, Italian astronomer Giovanni Cassini discovered Rhea, Saturn’s second-largest moon. Rhea is made up of rock ...

NASA’s Curiosity rover will go dark for a few weeks due to a conjunction between Earth and Mars, blocking communication between the two planets.

A new study of the data sent back by the Cassini-Huygens mission to Saturn points to the moon Titan not having a global water ...

The big thinkers at Aperture explain why NASA’s Cassini mission provided unprecedented insight into Saturn. An American dream ...

On Dec. 21, 1968, NASA’s Apollo 8 mission launched to the moon. Apollo 8 was the second crewed mission in NASA’s Apollo ...

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 ...

A remarkable and rare piece in a beautiful format: this original photograph of the planet Saturn, captured by the Voyager 1 ...

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

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 ...