Dawn’s Greatest Glimpse Yet of Ceres Hints at Startling Revelations Soon to Come

GIF animation of Ceres images taken by Dawn spacecraft on Jan. 13, 2015. Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/PSI

We’ve wondered about Ceres‘ nature and true identity for over two centuries, ever since it was discovered on New Year’s Day, 1801, by Giuseppe Piazzi of Italy. It’s been alternately classified as a planet, asteroid, and more recently as […]

Integral Component of Webb Space Telescope Undergoes, Survives 'Deep Freeze' Testing

From NASA: “The view from inside NASA Goddard’s Thermal Vacuum Chamber shows the JWST [James Webb Space Telescope] heart being lowered by crane in preparation of weeks of space environment testing.” An essential component of the James Webb Space Telescope has just completed and survived vacuum testing in extremely cold conditions. Photo Credit: NASA/Chris […]

Space Dust Indicates Ancient Origin for Saturn's Rings

Mosaic image showing Saturn backlit by the Sun, one of the most beautiful photographs sent back by Cassini. Image Credit: NASA/JPL-Caltech/Space Science Institute

The origin of Saturn’s rings has been one of the most interesting puzzles in planetary science, and now new data from the Cassini spacecraft is helping to fill in the pieces, […]

Achievement Unlocked: Testing Complete on James Webb Telescope's Backplane Structure

An artist’s concept of the James Webb Space Telescope (JWST). Image Credit: NASA/ESA

NASA announced on July 8 that it had completed static load testing on the James Webb Space Telescope’s (JWST) Primary Mirror Backplane Support Structure (PMBSS). The testing was completed by two of the contractors tapped to work on JWST, the Northrop […]

Webb Telescope Searching for First Objects After Big Bang: Nobel Prize Winner John Mather Speaks to AmericaSpace

Artist’s concept of the James Webb Space Telescope (JWST). Credit: NASA/ESA

GODDARD SPACE FLIGHT CENTER, MD — The James Webb Space Telescope (JWST) is NASA’s top priority science mission launching in this decade and will have the capability to “look back towards the very first objects that formed after the Big Bang,” said Dr. […]

Gliese 832c: Astronomers Discover Another Nearby Potentially Habitable Exoplanet

Artist’s conception of Gliese 832c. Image Credit: PHL @ UPR Arecibo/NASA Hubble/Stellarium

As the number of exoplanets discovered continues to grow exponentially, the number of potentially habitable worlds out there continues to increase as well. Astronomers have now reported finding another one of the nearest known of these kinds of planets so far, Gliese […]

Colorful Hubble Image Provides Missing Link Concerning Star Formation

This composite image from the Hubble Space Telescope (HST) showing approximately 10,000 galaxies in brilliant color took nine years to assemble, and sheds light upon star formation in our Universe. Image Credit: NASA/ESA

NASA and the European Space Agency’s Hubble Space Telescope (HST) has done it again—this time, in brilliant color. A newly released […]

'Repairing Hubble' Showcases Space Telescope's Components on Anniversary

The NASA/ESA Hubble Space Telescope was photographed by Space Shuttle Discovery’s IMAX Cargo Bay Camera being deployed on April 25, 1990. Photo Credit: NASA

On Wednesday, April 23, Washington, D.C.’s Smithsonian National Air and Space Museum observed the 24th anniversary of NASA/ESA’s Hubble Space Telescope’s launch into orbit by unveiling “Repairing Hubble.” This new […]

NASA's Hubble Space Telescope Spots Mars-Bound Comet Sprout Multiple Jets

The images above show — before and after filtering — comet C/2013 A1, also known as Siding Spring, as captured by Wide Field Camera 3 on NASA’s Hubble Space Telescope.Image Credit: NASA, ESA, and J.-Y. Li (Planetary Science Institute)

NASA released Thursday an image of a comet that, on Oct. 19, will pass within […]

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

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 in […]