All Good Things: Countdown Begins Toward Cassini's 'Grand Finale' Around Saturn

Artist's concept of Cassini's final orbits between the Saturn's innermost rings and the planet's cloud tops. This set of orbits will consist the last leg of Cassini's mission, called 'The Grand Finale', which will culminate with a plunge on Saturn's atmosphere on September 2017. Image Credit: Image Credit: NASA/JPL

Artist’s concept of Cassini’s final orbits between the Saturn’s innermost rings and the planet’s cloud tops. This set of orbits will consist the last leg of Cassini’s mission, called “The Grand Finale,” which will culminate with a plunge on Saturn’s atmosphere in September 2017. Image Credit: Image Credit: NASA/JPL

It has become something of […]

NASA's FYI 2017 Budget Request May Delay SLS Europa Mission Several Years

We are finally going back to Europa, but it may be a little later than planned. Image Credit: NASA/JPL-Caltech/SETI Institute

We are finally going back to Europa, but it may be a little later than originally planned. Image Credit: NASA/JPL-Caltech/SETI Institute

The recently announced new mission to Jupiter’s moon Europa, a highly anticipated return to this ocean world, may face a launch delay from 2022 to the late 2020s. The news comes amid the release […]

Uncertain Journey: 30 Years Since Voyager 2's Encounter With Uranus (Part 1)

Visible only as a crescent, Uranus recedes from Voyager 2 in the days after Closest Approach. Photo Credit: NASA

Visible only as a crescent, Uranus recedes from Voyager 2 in the days after Closest Approach. Photo Credit: NASA

Thirty years ago, today and tomorrow, NASA’s Voyager 2 spacecraft gave humanity its first close-up glimpse of Uranus. Known for more than two centuries, and frequently the “butt” of many off-color jokes, this giant gaseous […]

Has 'Planet X' Finally Been Found? A Cautionary Tale

Artist's conception of Planet Nine. Image Credit: Image: Caltech/R Hurt (IPAC)

Artist’s conception of Planet Nine. The new evidence is the best so far that a massive planet exists far past Neptune in the outer Solar System. Image Credit: Caltech/R. Hurt (IPAC)

For a long time now, there have been theories and rumors regarding the possible existence of another planet in our Solar System, far […]

New 2016 NASA Budget Fully Funds Europa Mission, Including Lander

A view many have been waiting for - artist's concept of the surface of Europa. The new NASA budget brings this closer to reality, with funding for not only a flyby probe, but also a lander. Image Credit: NASA/JPL-Caltech

A view many have been waiting for – artist’s concept of the surface of Europa. The new NASA budget brings this closer to reality, with funding for not only a flyby probe, but also a lander. Image Credit: NASA/JPL-Caltech

This was an exciting and very important week for NASA and planetary exploration: the new […]

More Voyages To Jupiter: As Juno Inches Closer To Gas Giant, JUICE Comes Closer To Reality

Artist's impression of the JUICE mission. Image Credit: ESA/AOES

Artist’s impression of the JUICE mission. Image cropped for publication. Image Credit: ESA/AOES

While one NASA/JPL spacecraft is less than a year out from its rendezvous with our Solar System’s largest gas giant, another Jupiter-bound spacecraft is making its way from the drawing board to becoming science reality. On Wednesday, Dec. 9, the European […]

A Moon Falling Apart: Grooves on Phobos Are a Sign of its Eventual Catastrophic Fate

The unusual grooves on Phobos' surface, such as those on the left side of this image, are now thought to be caused by tidal stress. The large crater Stickney is in the upper portion of the image. Image Credit: NASA/JPL-Caltech/University of Arizona

The unusual grooves on Phobos’ surface, such as those on the left side of this image, are now thought to be caused by tidal stress. The large crater Stickney is in the upper portion of the image. Image Credit: NASA/JPL-Caltech/University of Arizona

Phobos is the largest of Mars’ two tiny moons, but 50 million […]

New Study Suggests Cloudy Weather and Molten Metal Downpours on Rogue Exoplanet

An artist's concept of the free-floating planet PSO J318.5-22. Astronomers have found evidence that the planet is covered with clouds which rain down molten metals, even in the coldness of interstellar space. Image Credit: MPIA/V. Ch. Quetz

An artist’s concept of the free-floating planet PSO J318.5-22. Astronomers have found evidence that the planet is covered with clouds which rain down molten metals, even in the coldness of interstellar space. Image Credit: MPIA/V. Ch. Quetz

We tend to define planets as objects that need a star around which to revolve. Yet, as […]

Cassini Completes Epic Flyby Through Geysers of Enceladus, Sends Back Stunning New Images

View of Enceladus and Saturn's rings during the flyby. Image Credit: NASA/JPL-Caltech/Space Science Institute

View of Enceladus and Saturn’s rings during the flyby on Oct. 28, 2015, at a distance of 106,000 miles (171,000 kilometers) from Enceladus. Image Credit: NASA/JPL-Caltech/Space Science Institute

The Cassini spacecraft has successfully completed its deepest dive through the water vapor geysers of Enceladus and is now sending back some fantastic images of the […]

Sampling an Alien Ocean: Cassini Prepares for Deep Dive Through Enceladus' Geysers on Wednesday

Artist's conception of Cassini making a close flyby of Enceladus and its water vapor plumes. Image Credit: NASA/JPL

Artist’s conception of Cassini making a close flyby of Enceladus and its water vapor plumes. Image Credit: NASA/JPL

This coming Wednesday, Oct. 28, 2015, the Cassini spacecraft will make a historic close flyby (dubbed “E21”) of Saturn’s tiny icy moon Enceladus, not only passing very close to the surface, but also making the deepest dive […]