New Moon Discovered by Hubble Orbiting Third Largest Dwarf Planet in Kuiper Belt

Two images of dwarf planet 2007 OR10 from Hubble, taken a year apart, showing the small moon. Image Credit: NASA/ESA/C. Kiss (Konkoly Observatory)/J. Stansberry (STScI)

Moons are exceedingly common in the Solar System – Jupiter alone has 67! But smaller planets do as well of course, except for Mercury and Venus, and even some […]

James Webb Space Telescope Arrives at Johnson Space Center for Cryogenic Testing

The giant 18-piece mirror of the James Webb Space Telescope, inside the cleanroom at Johnson Space Center. Photo Credit: NASA/Chris Gunn

Often referred to as the successor for Hubble, the James Webb Space Telescope (JWST) is one of the most highly anticipated space telescopes ever built. A large infrared telescope with a 6.5-meter primary […]

SpaceX Heads for the Hundred, With Rousing Inmarsat 5-F4 Launch from Pad 39A

Pad 39A plays host to its 99th launch in almost 50 years, with the rousing pre-sunset ascent of SpaceX’s Upgraded Falcon 9 at 7:21 p.m. EDT Monday, 15 May. Photo Credit: Alan Walters / AmericaSpace

Six months shy of five decades since its first launch, historic Pad 39A at the Kennedy Space Center (KSC) […]

Grand Finale Part 3: Cassini Completes Third Ring Dive, Sees Bright Clouds on Titan

Two versions of the image of Titan’s clouds, taken on May 7, 2017. The first is with stronger enhancement, and the second is with softer enhancement. Image Credit: NASA/JPL-Caltech/SSI

NASA’s Cassini probe has now survived its third dive into Saturn’s rings, specifically the gap between the innermost rings and the planet itself. This is […]

First Science Results from Juno Show Surprises in Jupiter's Atmosphere and Interior

Newly-released, enhanced color view of Jupiter’s south pole from Juno as seen on Dec. 11, 2016. The image was taken from an altitude of about 32,400 miles (52,200 kilometers) above the planet’s beautiful cloud tops. Image Credit: NASA/JPL-Caltech/SwRI/MSSS/Gabriel Fiset

There has been a lot of attention given to the Cassini mission at Saturn lately, […]

Grand Finale Part 2: Cassini Completes Second Epic Dive into Saturn's Rings

Illustration of Cassini crossing the ring plane between Saturn and its innermost rings .Cassini has now completed its second dive into the rings of Saturn, with 20 left to go during the Grand Finale. Image Credit: NASA/JPL-Caltech

Cassini’s “dance” with Saturn’s rings continues – the probe has now completed its second dive into the […]

PHOTOS: SpaceX Launches First Classified Mission, Lands Fourth Falcon on Dry Land

Liftoff of NROL-76 from pad 39A, the first SpaceX launch of a National Reconnaissance Office payload. Photo Credit: John Studwell / AmericaSpace

On May 1 at 7:15 a.m EDT, SpaceX and the National Reconnaissance Office (NRO) launched the NROL 76 spacecraft on a 58 deg. trajectory up the U.S. east coast, flying atop a […]

NRO 76 Launch To Put SpaceX Deep In ULA Territory Sunday

NROL-76 will mark the first launch by SpaceX of a classified military payload, putting the company deep into ULA territory. Photo Credit: Mike Killian / AmericaSpace

The National Reconnaissance Office NRO 76 mission set for liftoff from the Kennedy Space Center early Sunday Apr. 30, could introduce a new or upgraded class of NRO […]

Cassini Sends Back Spectacular New Images From First-Ever Dive Between Saturn and its Rings

Three of the new raw images taken during Cassini’s first dive between Saturn and its innermost rings. Image Credit: NASA/JPL-Caltech/Space Science Institute

After waiting with bated breath last night, everyone following Cassini’s first-ever dive through the gap between Saturn and its rings let out a collective sigh of relief – the spacecraft made it! […]

Cassini Completes Last Flyby of Titan and First Dive Between Saturn and Rings in 'Grand Finale'

Raw image from Cassini’s last-ever flyby of Titan, taken on April 21, 2017. Photo Credit: NASA/JPL-Caltech/Space Science Institute

NASA’s Cassini spacecraft has now officially entered the last phase of its mission – the “Grand Finale,” with the last-ever close flyby of Titan and the first of 22 final orbits which will take the spacecraft […]