SUNSET: 
Amazing New Views of Near-Earth Asteroid
Large asteroid 2014 JO25 cruised past Earth on April 19, and Goldstone and Arecibo radars were at the ready to capture what turned out to be yet another twin-lobed asteroid.
LISA Pathfinder: From Gravitational Waves to Space Dust
LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.
Enceladus: Hydrothermal Heating Confirmed
Astronomers have more evidence that the hidden ocean inside Saturn’s moon Enceladus is heated by hydrothermal activity.
See a Potentially Hazardous Asteroid From Your Backyard
Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a…
Sun Triggers Ceres’ Fleeting Atmosphere
Planetary scientists think the Sun may inadvertently create a transitory, tenuous atmosphere around the dwarf planet Ceres — and in an unexpected way.
Cassini's Grand Finale Orbits Set to Begin
NASA's Cassini mission nears its final act — the spacecraft will enter the first of its Grand Finale Orbits later this month.
Mars Lost Atmosphere to Space
NASA’s MAVEN mission has confirmed that the solar wind stripped the Red Planet of its atmosphere.
Rosetta Sees Changing Face of Comet 67P
Data from the Rosetta mission has linked outbursts on Comet 67P/Churyumov-Gerasimenko with dramatic changes on the comet's surface.
Welcome to Pan: Saturn's Ravioli-Shaped Moon
Cassini gave us a good look a Saturn's moon Pan last week... and what a strange world it is.
Bright Mound on Ceres Due to Briny Eruptions?
The strange bright deposits inside Occator crater on Ceres are probably from cryovolcanic eruptions that are much younger than the crater itself.
A New Take on the Audible Meteor Mystery
A recent study suggests a plausible mechanism to explain why observers sometimes hear superbright meteors at the same time that they see them.
Find New Worlds, Film an Eclipse & Do Some Citizen Science!
Hankering to discover new solar systems or understand our own? These citizen science projects and public data troves will help you fill your free time.
Juno Will Stay in Current Orbit Around Jupiter
NASA has announced that its Juno spacecraft will remain in a wide-ranging orbit around Jupiter, extending the mission's lifetime.
Scientists Find Organics on Ceres
The Dawn spacecraft has detected organic compounds on the dwarf planet Ceres.
NASA Narrows Down Mars 2020 Rover Landing Sites
Three possible landing sites are now in the running for the U.S. space agency's next Mars rover.
Scientists Recreate Space Weather of 400 Years Ago
Scientists are studying 400-year-old data to predict space weather in the coming decades — and it seems that future may hold fewer Northern Lights.
Meteorites Date Demise of Solar Nebula
A study of ancient meteorites has refined the date for the dissolution of the solar nebula, the cloud that shrouded our Sun in its earliest days.
Juno Swoops Past Jupiter's South Pole
NASA's Juno spacecraft continues to give us amazing views of Jupiter, now from its fourth perijove pass.
Micrometeorites Found on City Rooftops
A recent study found micrometeorites in piles of dirt collected from urban European rooftops.
Cassini Spies Daphnis Making Waves
NASA's Cassini returns stunning new views of Daphnis and friends from its ring-grazing orbits.
