Saturn

In the Northern Hemisphere, the September equinox marks the beginning of what's set to be quite an eventful astronomical fall.

Two of Saturn's many moons, Mimas and Enceladus, can be seen in the Hubble image.

If you want to see the spectacle, you will need to head outside around an hour before sunrise on Sunday.

The finding could shed light on the long-debated issue of when Saturn's rings and moons formed.

Meteor showers are celestial events in which several shooting stars appear to originate from a single point in the sky.

Data from the Cassini mission have revealed molecules in ice grains emanating from the icy, water-rich world.

Titan, Saturn's largest moon, is covered in lakes filled with liquid hydrocarbons, such as methane and ethane.

Before its mission ended in September 2017, NASA's Cassini probe conducted a series of dives between Saturn's cloud tops and its rings.

NASA's James Webb Telescope will open up an entirely new avenue for searching for extraterrestrial life.

Data from Cassini's "death dive" reveals Saturn's rings could be just 10 million years old.

Planet is losing mass from its rings at the maximum rate predicted, the space agency finds.

Full alignment will be easier to see from the Southern Hemisphere—but people at Northern latitudes should still be able to spot Mars, Saturn and Jupiter.

These ancient rocks are relics of the early solar system.

Here's the real thing.

Binoculars or a telescope might be necessary to see some of the planets.

The hexagon is essentially a swirling system of air currents and turbulent weather that has lasted for decades.

The moon will come within four-moon diameters of Saturn in the night sky.

Some of the most stunning photos of the planets and moons in our solar system, including our own.

The distinctive shape may have been the natural result of head-on collisions between smaller moonlets.

Ganymede is bigger than the planet Mercury, and all three of the others outsize ex-planet Pluto, making their formation a huge mystery.

The moon was described as the "most promising" candidate for finding life in the solar system.

The idea behind Shapeshifter is that a handful of individual units would work together to create a variety of modular designs, each with a different skill.

Cyclones 2,500 miles wide gather at Jupiter's poles.

It's also the best time of the year to see Mercury.

Enceladus is a "hot spot" in the search for extraterrestrial life.

The image was taken from 394,000 miles away.

The moon's unique atmosphere is part of the reason the Cassini mission had to come to such a bitter end.

Two new papers give us the best glimpse yet at Titan's surface.

Saturn's gravity is so fierce it can tear a moon apart to festoon itself with rings.

The two finalists for a future mission now have to prove their worthiness.