Cassini Images Captures Dione Dwarfing Rhea
These new images from NASA’s Cassini Spacecraft were taken when Dione was closer to the camera, making the moon appear much larger than Rhea. Is…
Space News
Hubble Views Elliptical Galaxy Messier 84
This newly released Hubble image shows elliptical galaxy Messier 84. This NASA/ESA Hubble Space Telescope image captures the galaxy Messier 84 — also known as…
Researchers Predicted Blue, Red and Green Aurorae at Mars
Astronomers believe glowing aurorae of blue, with red and green hues, would be visible to astronauts walking on Mars. For the first time, an international…
New Herschel Images Reveal How Matter is Distributed Across Our Milky Way
This new image of filament G49 reveals how matter is distributed across our Milky Way galaxy. New images of huge filamentary structures of gas and…
Astronomers Confirm Link between Galaxy Mergers and Supermassive Black Holes
Astronomers used the Hubble Space Telescope to conduct a large survey to investigate the relationship between galaxies that have undergone mergers and the activity of…
Cassini Prepares Up-close Look at Saturn’s Moon Hyperion
NASA’s Cassini spacecraft is set to take its last up-close look at Saturn’s moon Hyperion on Sunday, May 31. The Saturn-orbiting spacecraft will pass Hyperion…
Distant Quasars Help Set Limits On Space-Time Quantum Foam
New X-ray and gamma-ray observations of distant quasars are being used to help scientists set limits on the quantum nature of space-time on extremely tiny…
A New View of Ceres, Dawn Shows Finer Detail
This new image from NASA’s Dawn spacecraft shows finer details of the dwarf planet Ceres. The spacecraft snapped the image at a distance of 3,200…
ESO Views Star Forming Cloud RCW 34
This newly released image from the European Southern Observatory shows the young star-forming region RCW 34. In the brightest region of this glowing nebula called…
12-Frame Mosaic of Europa’s Jupiter-Facing Hemisphere
This 12-frame mosaic was taken by Galileo’s camera when the spacecraft was 94,000 kilometers from Europa, providing the highest resolution view ever obtained of the…
New Cassini View of Rhea’s Horizon
This newly released Cassini image shows the surface of Saturn’s moon Rhea. Gazing off toward the horizon is thought-provoking no matter what body’s horizon it…
Astronomers Discover Super-Jupiter Exoplanet around an Evolved Star
Astronomers from the Harvard-Smithsonian Center for Astrophysics have discovered two new giant exoplanets around an evolved star. There are 565 exoplanets currently known that are…
Hubble Views the Densest Known Star Cluster in the Milky Way
This newly released Hubble image shows the Arches Cluster, the densest known star cluster in the Milky Way. The Arches Cluster is located about 25,000…
Rare Quasar Quartet Reveals Massive Structure in Distant Universe
Astronomers have discovered four active black holes situated in close proximity to one another in the distant universe, surrounded by a giant nebula of cool…
Hubble Uncovers New Clues about a Hefty, Rapidly Aging Star
Using the Hubble Space Telescope, a team of astronomers has uncovered surprising new clues about a hefty, rapidly aging star whose behavior has never been…
Keck Spectroscopy Confirmation of Large, Diffuse Galaxies in the Coma Cluster
In a newly published study, astronomers detail the discovery of large, diffuse galaxies in the Coma Cluster. A fluffy galaxy is hard to find, but…
Kepler and Swift Capture Early Moments of Baby Supernovae
NASA’s Kepler and Swift spacecraft provides new insight into what triggers a Type Ia supernova, allowing astronomers to better calibrate Type Ia supernovae as standard…
Dawn Captures New Images of Ceres Bright Spots
New images from NASA’s Dawn spacecraft show the closest view to date of the mysterious bright spots on Ceres. NASA’s Dawn mission captured a sequence…