OUTERPLANETS

845 articles

Astronomers Optimistic About Planet Nine's Existence
Feb 28, 2019 (SPX)
"The strongest argument in favor of Planet Nine is that independent lines of evidence can all be explained by a proposed new planet with the same properties. In...
New Horizons Spacecraft Returns Its Sharpest Views of Ultima Thule
Feb 25, 2019 (SPX)
Now that New Horizons has sent those stored flyby images back to Earth, the team can enthusiastically confirm that its ambitious goal was met. These new images ...
Tiny Neptune Moon Spotted by Hubble May Have Broken from Larger Moon
Feb 21, 2019 (SPX)
After several years of analysis, a team of planetary scientists using NASA's Hubble Space Telescope has at last come up with an explanation for a mysterious moo...
New Horizons' evocative farewell glance at Ultima Thule
Feb 11, 2019 (SPX)
These aren't the last Ultima Thule images New Horizons will send back to Earth - in fact, many more are to come - but they are the final views New Horizons capt...
Ultima Thule is more pancake than snowman, NASA scientists discover
Feb 11, 2019 (UPI)
As revealed by the latest images captured by NASA's New Horizons spacecraft, only recently downloaded and analyzed by mission scientists, the Kuiper Belt object...
Sodium, Not Heat, Reveals Volcanic Activity on Jupiter's Moon Io
Feb 01, 2019 (SPX)
"These results highlight the growing body of evidence that the traditional way of monitoring Io's volcanism - by looking for temperature changes on its surface ...
Missing link in planet evolution found
Jan 29, 2019 (SPX)
The Edgeworth-Kuiper Belt is a collection of small celestial bodies located beyond Neptune's orbit. The most famous Edgeworth-Kuiper Belt Object is Pluto. Edgew...
New Horizons' Newest and Best-Yet View of Ultima Thule
Jan 25, 2019 (SPX)
This image, taken during the historic Jan. 1 flyby of what's informally known as Ultima Thule, is the clearest view yet of this remarkable, ancient object in th...
Juno's Latest Flyby of Jupiter Captures Two Massive Storms
Jan 21, 2019 (JPL)
This new perspective captures the notable Great Red Spot, as well as a massive storm called Oval BA. The storm reached its current size when three smaller spots...
Outer Solar System Orbits Not Likely Caused by Planet Nine
Jan 21, 2019 (SPX)
The alternative explanation to the so-called 'Planet Nine' hypothesis, put forward by researchers at the University of Cambridge and the American University of ...
Scientist Anticipated Snowman Asteroid Appearance
Jan 16, 2019 (SPX)
The figure shows paintings that Hartmann made from 1978 to 1996, to illustrate the possible outcome of very low-velocity collisions of distant asteroids. These ...
New Ultima Thule Discoveries from NASA's New Horizons
Jan 04, 2019 (SPX)
"The first exploration of a small Kuiper Belt object and the most distant exploration of any world in history is now history, but almost all of the data analysi...
New Horizons unveils Ultima and Thule as a binary Kuiper
Jan 03, 2019 (SPX)
"This flyby is a historic achievement," said New Horizons principal investigator Alan Stern of the Southwest Research Institute in Boulder, Colorado. "Never bef...
NASA says faraway world Ultima Thule shaped like 'snowman'
Jan 02, 2019 (AFP)
The first detailed images beamed back from the US agency's New Horizons mission allowed scientists to confidently determine the body was formed when two spheres...
Juno captures images of volcanic plumes on Jupiter's moon Io
Jan 01, 2019 (SPX)
JunoCam, the Stellar Reference Unit (SRU), the Jovian Infrared Auroral Mapper (JIRAM) and the Ultraviolet Imaging Spectrograph (UVS) observed Io for over an hou...
NASA speeds toward historic flyby of faraway world, Ultima Thule
Jan 01, 2019 (AFP)
The US space agency planned to ring in the New Year with a live online broadcast to mark the spacecraft's zoom past the mysterious object located about four bil...
NASA rings in New Year with historic flyby of faraway world
Jan 01, 2019 (AFP)
"Go New Horizons!" said lead scientist Alan Stern as a crowd including kids dressed in space costumes blew party horns and cheered at the Johns Hopkins Applied ...
NASA succeeds in historic flyby of faraway world
Jan 01, 2019 (AFP)
A series of anxiously awaited "phone home" signals arrived after 10:30 am (1530 GMT), indicating that the spacecraft had made it, intact, through the risky, hig...
NASA spaceship zooms toward farthest world ever photographed
Dec 31, 2018 (AFP)
The US space agency will ring in the New Year with a live online broadcast to mark historic flyby of the mysterious object in a dark and frigid region of space ...
New Horizons Spacecraft on Target to Reach Ultima Thule
Dec 30, 2018 (SPX)
During the relatively brief Ultima Thule flyby phase, at a speed of 14 kilometres per second, seven scientific experiments will record images, spectra and physi...
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