[Monday, May 2, 2005] Giant planets played a crucial role in the making of our Solar System. The discovery of planets orbiting other stars is an opportunity to learn more about these objects and how they form.

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[Wednesday, May 4, 2005] After flybys of the planet's moons since arriving last year, Cassini will begin five months of extensive study of Saturn's magnificent rings. Knowing how the rings form and how long they have been there is a central question for the Cassini mission.

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[Wednesday, May 4, 2005] The large Tirawa impact basin on Saturn's moon Rhea is visible at the two o'clock position in this Cassini image. Rhea is 1,528 kilometers (949 miles) across.

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[Wednesday, May 4, 2005] The Sun also rises on Saturn's moon Dione, seen in this image from Cassini. Wispy fractured terrain lies along the limb. Some details of the moon's topography can be noted along the terminator. Dione is 1,118 kilometers (695 miles) across.

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[Wednesday, May 4, 2005] Epimetheus is seen here with Saturn's nearly edge-on rings in the distance. Epimetheus has a mean density that is less than that of water, suggesting that it might be somewhat porous. Epimetheus is 116 kilometers (72 miles) across.

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[Thursday, May 5, 2005] A scene straight out of science fiction, this fantastic view shows, from left to right, Saturn's moon's Mimas, Dione and Rhea, on the far side of Saturn's nearly edge-on rings.

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[Friday, May 6, 2005] Saturn's battered little moon Phoebe is an interloper to the Saturn system from the deep outer solar system, scientists have concluded.  The new findings appear in the May 5 issue of the journal Nature. 

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[Friday, May 6, 2005] Several distinct craters on Saturn's moon Hyperion can be seen here, as well as a protruding feature, perhaps a mountain, near the center. Hyperion is 266 kilometers (165 miles) across.

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[Friday, May 6, 2005] The most recent spacecraft telemetry was acquired Wednesday from the Madrid tracking station. The Cassini spacecraft is in an excellent state of health and is operating normally.

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[Sunday, May 8, 2005] The wealth of observational data about Jupiter and Saturn provides strong constraints to guide our understanding of the formation of giant planets.

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[Monday, May 9, 2005] This image was taken on May 05, 2005 and received on Earth May 06, 2005. The camera was pointing toward Saturn at approximately 1,257,438 kilometers away, and the image was taken using the CB3 and IRP0 filters.

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[Wednesday, May 11, 2005] In a spectacular kick-off to its first season of prime ring viewing, which began last month, the Cassini spacecraft has confirmed earlier suspicions of an unseen moon hidden in a gap in Saturn's outer A ring.

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[Wednesday, May 11, 2005] This view shows one of the huge impact basins on the terminator of Iapetus and a smaller, but still fairly large, crater near the southern bright-dark boundary. Just visible near the western limb is the moon's mysterious equatorial ridge.

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[Friday, May 13, 2005] Titan's winds, temperature and mixing have been revealed by new observations from Cassini. The thick atmosphere of Titan is rich in organic compounds, whose chemistry may be similar to that which occurred on Earth before the emergence of life.

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[Friday, May 13, 2005] The most recent spacecraft telemetry was acquired Wednesday from the Goldstone tracking station. The Cassini spacecraft is in an excellent state of health and is operating normally.

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[Friday, May 13, 2005] As the large amount of data collected by the ESA Huygens probe during its descent onto Titan is being processed, new views of this fascinating world become available.

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[Saturday, May 21, 2005] The most recent spacecraft telemetry was acquired Wednesday from the Goldstone tracking station. The Cassini spacecraft is in an excellent state of health and is operating normally.

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[Saturday, May 21, 2005] Enceladus hovers above Saturn's exquisite rings in this color view. The rings, made of nearly pure water ice, have also become somewhat contaminated by meteoritic dust during their history, which may span several hundred million years.

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[Monday, May 23, 2005] This image was taken on May 05, 2005 and received on Earth May 06, 2005. The camera was pointing toward Saturn at approximately 1,256,139 kilometers away.

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[Monday, May 23, 2005] This image was taken on May 16, 2005 and received on Earth May 16, 2005. The camera was pointing toward Saturn at approximately 1,959,209 kilometers away.

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[Monday, May 23, 2005] This image was taken on May 19, 2005 and received on Earth May 20, 2005. The camera was pointing toward Pan at approximately 1,227,660 kilometers away.

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[Monday, May 23, 2005] This image was taken on May 19, 2005 and received on Earth May 19, 2005. The camera was pointing toward Prometheus at approximately 1,170,804 kilometers away.

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[Monday, May 23, 2005] The Cassini spacecraft has obtained the most detailed look ever at Saturn's rings, including the B ring, which has eluded previous robotic explorers.  Its structure seems remarkably different from its two neighbors, rings A and C. 

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[Tuesday, May 24, 2005] This image was taken on May 20, 2005 and received on Earth May 22, 2005. The camera was pointing toward Saturn F Ring at approximately 310,259 kilometers away.

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[Tuesday, May 24, 2005] This image was taken on May 20, 2005 and received on Earth May 22, 2005. The camera was pointing toward Janus at approximately 360,775 kilometers away.

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[Tuesday, May 24, 2005] This image was taken on May 20, 2005 and received on Earth May 22, 2005. The camera was pointing toward Epimetheus at approximately 347,846 kilometers away.

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[Tuesday, May 24, 2005] This image was taken on May 20, 2005 and received on Earth May 22, 2005. The camera was pointing toward Pandora at approximately 348,872 kilometers away.

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[Tuesday, May 24, 2005] This image was taken on May 20, 2005 and received on Earth May 22, 2005. The camera was pointing toward Pan at approximately 608,558 kilometers away.

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[Tuesday, May 24, 2005] This image was taken on May 20, 2005 and received on Earth May 22, 2005. The camera was pointing toward Saturn's rings.

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[Wednesday, May 25, 2005] When it comes to mysterious X-rays from Saturn, the ringed planet may act as a mirror, reflecting explosive activity from the sun, according to scientists using NASA's Chandra X-ray Observatory.

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[Thursday, May 26, 2005] This three-panel image shows one of Titan's most prominent impact craters in an infrared-wavelength image (left), radar image (center) and in the false-color image (right).

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[Thursday, May 26, 2005] The visual and infrared mapping spectrometer instrument onboard Cassini has found an unusual bright, red spot on Titan. This dramatic color (but not true color) image was taken during the April 16, 2005, encounter with Titan.

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[Thursday, May 26, 2005] The recently discovered infrared-bright spot on Titan (see Red Spot on Titan) is the type of enigmatic feature that is best investigated by putting together as many different types of complementary information as possible.

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[Saturday, May 28, 2005] The most recent spacecraft telemetry was acquired Wednesday from the Goldstone tracking station. The Cassini spacecraft is in an excellent state of health and is operating normally.

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