Image: Saturn's rings and Enceladus

The Cassini spacecraft has taken a some recent images of two of Saturn’s most notorious moons, where in both images the planet’s rings serve as a backdrop. Above, Enceladus stands out with its cratered ...

We’ve all experienced the Moon Illusion, where our own full Moon looks bigger when seen on the Earth’s horizon. But how about this illusion where you can’t really tell which of these two moons ...

A crescent Saturn appears nestled within encircling rings in this Cassini spacecraft image. Clouds swirl through the atmosphere of the planet and a barely visible Prometheus orbits between the planet's main ...

The Cassini spacecraft observed three of Saturn's moons set against the darkened night side of the planet in this image from April 2011.

(PhysOrg.com) -- Flying past Saturn's moon Dione, Cassini captured this view which includes two smaller moons, Epimetheus and Prometheus, near the planet's rings.

On the heels of a successful close flyby of Saturn's moon Enceladus, NASA's Cassini spacecraft is returning images of Enceladus and the nearby moon Dione.

Sometime in the next quarter-century, NASA plans to send the first humans to Mars, a mission that will push the boundaries of teamwork for a handful of astronauts who will spend as long as three years together ...

In April, when the Hubble Space Telescope looked out towards Jupiter's orbit and observed what has been billed as the "Comet of the Century" – Comet C/2012 S1 ISON – the space telescope photographed a ...

NASA released a synopsis Friday announcing plans to issue an announcement for proposals for the commercial use of Launch Pad 39A at the agency's Kennedy Space Center in Florida. The announcement is expected next week.

Two months ago, on March 17th, 2013, a small space rock weighing just 88 pounds (40kg), travelling at 56,000 miles per hour, smashed into the lunar surface creating a flash so bright that viewers looking at the Moon at the ...

A team of researchers from Germany, Italy, and the USA have shown that observations of stellar visibility by citizen scientists accurately measure the brightness of the night sky. The researchers published their results Thursday ...

(Phys.org) —Nanosatellites now have their own mass transit to catch rides to space and perform experiments in microgravity. A new NASA-designed and developed satellite deployer, dubbed the Nano Launch Adapter ...