The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

Illustration of Cassini diving between Saturn and its innermost rings as part of the mission's Grand Finale. The spacecraft will perform a series of 22 daring orbits passing through the yet ...

Cassini captures Saturn and its moons 31 photos. NASA's Cassini probe survived its second pass between Saturn and its innermost rings earlier this week, giving scientists increasing confidence the ...

Unusual ripples in Saturn's rings are revealing the mysterious inner workings of the great gas giant. Planetary scientists and modelers are slowly picking apart that mystery. Billions of particles ...

Cassini has been orbiting Saturn for the past 13 years, providing astronomers with unprecedented insight into the sixth planet from the Sun in the solar system. This now includes an inside-out ...

Saturn's rings are ringing like a bell, which is making it possible for researchers to explore deep inside the heart of the planet. Gravitational forces push seismic waves from Saturn's interior ...

NASA’s Cassini spacecraft dove inside Saturn’s rings for the first time on April 26, its first of 22 planned orbits close to the planet’s atmosphere. May 8 Titan.

How many Earths could fit inside Saturn? More than 700 Earths could fit inside the gas giant, according to NASA. 10 need-to-know facts about Saturn, per NASA.

During the final year of NASA’s Cassini mission before it completed a “death dive” into Saturn’s atmosphere in 2017, the spacecraft gathered as much data as possible about the planet’s ...

During the final year of NASA's Cassini mission before it completed a "death dive" into Saturn's atmosphere in 2017, the spacecraft gathered as much data as possible about the planet's rings.