NASA releases sharpest-ever images of distant Kuiper Belt objectThey could shed light on activity beyond the Solar System's planets.By J. Fingas, 02.23.2019
NASA releases first clear images of distant Kuiper Belt objectThe historic flyby revealed an odd binary shape.By J. Fingas, 01.02.2019
Queen guitarist Brian May wrote a song for NASA's historic flybyWho wants to fly forever?By J. Fingas, 01.01.2019
New Horizons probe sends first signal from Ultima ThuleIt's the farthest flyby in human history.By J. Fingas, 01.01.2019
NASA will reach its most distant target yet on New Year's DayNew Horizons is nearing the Kuiper Belt object known as Ultima Thule.By M. Locklear, 12.27.2018
New Horizons snags image of distant Kuiper Belt target a month earlyIt’s still around 100 million miles away from 2014 MU69.By M. Locklear, 08.30.2018
New Horizons probe may have detected Solar System's hydrogen 'wall'It could shed more light on the Sun's reach than Voyager ever did.By J. Fingas, 08.12.2018
New Horizons probe captures images at record distance from EarthThey're the farthest since the legendary 'Pale Blue Dot' picture.By J. Fingas, 02.11.2018
Kickstarter commemorates Voyager with projects celebrating humanity‘Projects of Earth’ campaigns are launching at the same time the Voyager probes did.By M. Locklear, 08.21.2017
Fly over Pluto and Charon in the latest NASA footageYou can check out close-ups of these dwarf planets.By S. Krishna, 07.17.2017
NASA is reviewing candidates for its next Solar System missionIt aims to launch the mission it chooses in 2024. By M. Moon, 05.07.2017
New Horizons scientists want to redefine what planets areThey're led by Alan Stern, the principal investigator for NASA's Pluto mission.By M. Moon, 02.20.2017
NASA dominated space and social media in 2016The space agency was a big winner despite funding woes. By M. Moon, 12.21.2016
Researchers offer new evidence of a liquid ocean on PlutoTwo new theories try to explain the dwarf planet's heart-shaped depression.By A. Dalton, 11.18.2016
NASA's New Horizons has sent back its last data from PlutoNext up, the Kuiper Belt.By D. Hardawar, 10.28.2016
Pluto may have a 60 mile deep liquid water oceanThe excommunicated "planet" is full of surprises.By S. Dent, 09.26.2016
Pluto stamp earns world record for traveling 3 billion milesThat's one well-traveled 1.5-inch x 1-inch piece of paper.By M. Moon, 07.20.2016
NASA's New Horizons probe is officially set to explore the Kuiper BeltThe probe's next mission will take it about a billion miles past Pluto.By N. Ingraham, 07.01.2016
Pluto's moon Charon features a massive, deep chasmThe Argo Chasma boasts the tallest cliff faces in the solar system.By A. Dalton, 06.24.2016
Pluto might still have an ocean underneath its icy shellThe dwarf planet would look different if its subsurface ocean froze long ago. By M. Moon, 06.23.2016