Arrival at Saturn

NASA's Dawn spacecraft flys over dwarf planet Ceres which Dawn has been orbiting for mre than a year, providing us with fascinating views of an alien world.

As millions of people observed the total lunar eclipse on October 8, 2014, MESSENGER was also watching from Mercury.

This visualization of the Apollo 17 landing site uses real lunar orbiter data to retrace the paths of the astronauts during their three days of exploration.

Keeping a close watch on the outer portion of Saturn's B ring, NASA's Cassini spacecraft records the complex inward and outward movement of the edge of the ring.

Take a flight over dwarf planet Ceres in this video made with images from NASA's Dawn spacecraft.

This computer-generated animation shows all of Cassini's orbits - affectionaly called the "ball of yarn" by mission planners.

NASA's Dawn mission will be the first to explore a dwarf planet on March 6, 2015. This video details the spacecraft's approach and orbit insertion.

This video shows the intriguing Occator Crater on Ceres, home to the dwarf planet's brightest area.

Edward Stone describes how he was always interested in what was new as a young man and how space physics got his attention.

Hello from Saturn, essentially on the opposite side of the sun as seen from Earth! This annual occurrence called solar conjunction, when Saturn (and Cassini) nearly disappear behind the sun.

This movie shows a quick succession of multiple products of Titan's surface from the Cassini orbiter and the European Space Agency's Huygens probe.

These false-color mosaics from NASA's Cassini spacecraft chronicle the changing appearance of the huge storm that developed from a small spot in Saturn's northern hemisphere.

For hundreds of years, this gaseous giant planet appeared shrouded in colorful bands of clouds extending from dusk to dawn, referred to as zones and belts.

November 2020 skywatching highlights: Look for the Pleiades, the Moon with Jupiter and Saturn, and Earthshine illuminating the Moon.

Surrounding Earth is a giant magnetic field called the magnetosphere. Its shape is defined not only by the planet's north and south magnetic poles, but also by a steady stream of particles coming i...

We know what the Red Planet looks like from the outside – but what's going on under the surface of Mars?

The beauty and spectacle of celestial motion is captured in this short movie of a moon shadow darting across Saturn's rings.

This animation glides along the shoreline of Ontario Lacus, the largest lake on the southern hemisphere of Saturn’s moon Titan.

As NASA marks the 50th anniversary of the Apollo 11 Moon landing, here are five things to know about the Moon that you can share with others.

Dr. Bonnie Buratti describes her background as well as her role as a senior research scientist.

What can you see in the April sky? The Moon visits Mars in the evening, and later joins Saturn and Jupiter for a spot of tea. Also, how to find Polaris, the North Star.

Episode 1: What is a dwarf planet?

After nearly 300 million miles (470 million km), NASA’s Perseverance rover completes its journey to Mars on Feb. 18, 2021. But, to reach the surface of the Red Planet, it has to survive the harrowi...

Final Assembly at the Cape

The flight over Charon begins high over the hemisphere New Horizons saw on its closest approach, then descends over the deep, wide canyon of Serenity Chasma.