Saturn has 62 moons with confirmed orbits, 53 of which have names and only 13 of which have diameters larger than about 30 miles (50 km). Here are 7 of them!
An early August morning in Mt. Vernon, Virginia. Photographer Greg Diesel Walck wrote, "Glorious beams this morning at sunrise over the Potomac River."
A pyrocumulus cloud - sometimes called a fire cloud - forms when intense heat from wildfires causes air to rise. Californians have been seeing these towering clouds this July and August.
Draw a line between the 4 bright planets up after sunset now, and you'll see they make an arc across the sky. In this photo, Michael Seeley in Florida contrasted the arc of planets with that of the Milky Way.
Viewed under a microscope, it resembles a human hair. But this is actually an extremely precious speck of dust – a tiny sample from the Itokawa asteroid, brought back to Earth by Japan’s Hayabusa mission.