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New Cassini images of Enceladus
Images from last week's flyby of Saturn's moon Enceladus, one of three planned for this month ... the final close flybys of Enceladus with the Cassini spacecraft.
October 19, 2015
Hubble captures changes in Jupiter’s Great Red Spot
High-resolution maps and spinning globes reveal an elusive wave and changes to Jupiter’s Great Red Spot.
October 16, 2015
Close encounters with Enceladus begin today
The flybys are part of a series of "lasts" for Cassini, whose mission to Saturn ends next year. Last chance for many years to see new up-close views of this fascinating, geologically active Saturn moon.
October 14, 2015
Galaxy halos more common than thought
Astronomers studied 35 galaxies with a newly upgraded radio telescope in New Mexico to learn more about galactic halos. This study confirms a 1961 prediction.
October 14, 2015
Two very different Saturn moons
One moon is small and irregular, and the other is larger and round. These two moons typify the sorts of objects you see throughout our solar system.
October 14, 2015
October 13 to November 11: Longest lunar month of 2015
Longest lunar month of 2015 starts with the October 13 new moon and ends with the November 11 new moon. Learn about the varying lengths of lunar months, here.
October 12, 2015
New images of Pluto’s moon Charon
Images released Friday, October 9. New Horizons acquired them when it swept past the Pluto system on July 14. The spacecraft's data are still being returned.
October 11, 2015
Mars Curiosity rover sends a postcard
If you want to imagine standing on the surface of the Red Planet Mars ... look at this.
October 10, 2015
Mysterious ripples race across planet-forming disk
Astronomers have found fast-moving wave-like features - ripples - in the dusty disk surrounding a young star. Nothing like this was ever observed or predicted.
October 9, 2015
Where to look for ET life? Habitability index aids in the search
Powerful telescopes coming soon. Where shall we point them to find extraterrestrial life? Astronomers have created a way to help prioritize exoplanets.
October 9, 2015
