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Saturn's Massive Phoebe Ring Even Larger Than Previously Thought

By Paul Scott Anderson, on June 11th, 2015

Image of the Phoebe ring taken in 2009, overlaid in tan colors. The ring is much larger than Saturn’s other more visible rings and is also tilted with respect to the other rings. Image Credit: NASA/JPL/U. Virginia

Saturn is truly the “Lord of the Rings” and one of the most majestic places in […]

Astronomers Find First Evidence of Possible Volcanic Activity On a Super-Earth Exoplanet

By Paul Scott Anderson, on May 6th, 2015

Artist’s conception of super-Earth exoplanet 55 Cancri e, before and after volcanic activity on its day side. The surface may be partially molten. Image Credit: NASA/JPL-Caltech/R. Hurt

Discovering new exoplanets has become rather routine in the last few years, but determining just what conditions exist on any of them is naturally more difficult, […]

Hot 'Super-Earths' Provide Clues to Water in Exoplanet Atmospheres

By Paul Scott Anderson, on November 21st, 2014

Artist’s conception of super-Earth 55 Cancri e, one of the few exoplanets so far which astronomers are able to study the atmosphere of. Image Credit: NASA/JPL-Caltech

Some of the most interesting exoplanets discovered so far are the “super-Earths,” rocky worlds which are significantly larger and more massive than Earth but still smaller than […]

NASA's Hubble Helps Solve Mystery of Ultra-Compact, Burned-Out Galaxies

By Press Release, on February 5th, 2014

An odyssey of exploration began on 25 April 1990, when Steve Hawley gingerly pulled Discovery’s robot arm away from the Hubble Space Telescope. Photo Credit: NASA

Astronomers using NASA’s Hubble Space Telescope and Europe’s Herschel Space Observatory have pieced together the evolutionary sequence of compact elliptical galaxies that erupted and burned out early […]

'End of Days' for Europe's Ambitious GOCE and Planck Missions to Explore Earth and the Cosmos

By Ben Evans, on October 23rd, 2013

The European Space Operations Centre (ESOC) in Darmstadt, Germany, will bid a fond farewell to the GOCE and Planck missions this week. Both missions have contributed enormously to our understanding of Earth and the Universe. Photo Credit: ESOC

Two ambitious science missions—one circling Earth closer than any other research satellite, the other […]

Spitzer Space Telescope Celebrates 10 Years of Astronomical Discovery

By Ben Evans, on August 25th, 2013

The infrared vision of NASA’s Spitzer Space Telescope has revealed that the Sombrero galaxy—named after its appearance in visible light to a wide-brimmed hat—is in fact two galaxies in one. Image Credit: NASA/JPL-Caltech

Ten years ago tonight, NASA’s fourth “Great Observatory”—the Space Infrared Telescope Facility (SIRTF)—was boosted into orbit from Cape Canaveral Air […]

Comet ISON Fizzes Like a Soda Pop

By David Darling, on July 26th, 2013

Photo Credit: NASA / SST

Coming soon to a region of space near you: comet ISON, which is expected to put on a spectacular show toward the end of the year. Currently, ISON is about 258 million miles from the Sun, between the orbits of Jupiter and Mars. Its tail already stretches out […]

It's an Alien Blue World—But Nothing Like Earth

By Paul Scott Anderson, on July 13th, 2013

Artist’s conception of exoplanet HD 189733b—a “deep blue dot” reminiscent of Earth from a distance. Image Credit: NASA / ESA / M. Kornmesser

The planets and moons in our Solar System come in a wide variety of colors, and the natural beauty can be breathtaking. Now, the true color of a much more […]

Hubble Space Telescope Reveals Evidence of Farthest Known Planet From Its Star

By Emily Carney, on June 14th, 2013

A gap in the protoplanetary disk of dust and gas whirling around TV Hydrae uncovered evidence of an unseen, growing planet, according to astronomers studying Hubble data. Image Credit: NASA, ESA, J. Debes (STScI), H. Jang-Condell (University of Wyoming), A. Weinberger (Carnegie Institution of Washington), A. Roberge (Goddard Space Flight Center), G. Schneider […]

Hubble and Herschel Make Surprising Deep-Space Finds

By Ben Evans, on May 30th, 2013

The Ring Nebula, with its dying progenitor star clearly visible. Photo Credit: NASA

New data from the Hubble Space Telescope and the Herschel Space Observatory have provided new insights into the shape and structure of the far-off Ring Nebula—whose fate has important ramifications for the future of our own Sun—and may have begun […]

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Saturn's Massive Phoebe Ring Even Larger Than Previously Thought

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Astronomers Find First Evidence of Possible Volcanic Activity On a Super-Earth Exoplanet

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Hot 'Super-Earths' Provide Clues to Water in Exoplanet Atmospheres

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NASA's Hubble Helps Solve Mystery of Ultra-Compact, Burned-Out Galaxies

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'End of Days' for Europe's Ambitious GOCE and Planck Missions to Explore Earth and the Cosmos

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Spitzer Space Telescope Celebrates 10 Years of Astronomical Discovery

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Comet ISON Fizzes Like a Soda Pop

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It's an Alien Blue World—But Nothing Like Earth

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Hubble Space Telescope Reveals Evidence of Farthest Known Planet From Its Star

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Hubble and Herschel Make Surprising Deep-Space Finds

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