NASA's solar-powered Juno spacecraft successfully refined its flight path Wednesday with the mission's first trajectory correction maneuver.

A camera aboard one of NASA's twin Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft has returned its first unique view of the far side of the moon.

JPL will host the 24th annual High-Tech Conference for Small Business on Tuesday, March 6, and Wednesday, March 7, at the Westin Los Angeles Airport Hotel.

Inconsistencies between satellite observations of Earth's heat and measurements of ocean heating led NASA scientists to reexamine the data to solve the puzzle.

This week's solar storm is giving a NASA Mars-bound spacecraft a chance to gauge how such events would affect radiation exposure of future astronauts flying to Mars.

NASA's NuSTAR mission has arrived at Vandenberg Air Force Base in central California, where it will be mated to its Pegasus rocket.

NASA's Kepler mission has discovered 11 new planetary systems with a combined total of 26 planets. The mission has discovered more than 60 planets and thousands of candidates.

Martian dunes and sand ripples of mixed shapes and sizes form a striking pattern in a recent image from the high-resolution camera on NASA's Mars Reconnaissance Orbiter.

Roughly half of the giant asteroid Vesta is expected to be so cold, with so little sunlight, that water ice could have survived there for billions of years.

NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has been shipped to Vandenberg Air Force Base, Calif., to be mated to its Pegasus launch vehicle.

On the eighth anniversary of starting to explore Mars, NASA's rover Opportunity remains busy with new investigations.

A new analysis of radar data reveals patterns tied to altitude and latitude.

La Niña is peaking, increasing the odds of more stormy winter and spring weather in the Pacific Northwest, with dry conditions in the southwestern and southern United States.

The famous "Pillars of Creation" are seen in a new light by the Herschel Space Observatory.

The heater shut-off is a step in the careful management of diminishing electrical power.

One of Planck's two instruments has warmed up as expected, completing its survey of the early universe.

Twin NASA spacecraft that achieved orbit around the moon New Year's Eve and New Year's Day have new names, thanks to elementary students in Bozeman, Mont.

Measuring snow from space - it's a challenge NASA's Global Precipitation Measurement mission will tackle.

The spacecraft has been communicating with Earth using an auxiliary oscillator.

NASA will host a news conference at 10 a.m. PST (1 p.m. EST), on Jan. 17, to announce the names selected from a nationwide student contest for the twin GRAIL spacecraft.

NASA's Mars Science Laboratory spacecraft successfully refined its flight path Wednesday with the biggest maneuver planned for the mission's journey between Earth and Mars.

Our Milky Way galaxy contains, on average, a minimum of one planet for every star, according to a new statistical study.

Astronomers using data from NASA's Kepler mission have discovered the three smallest planets yet detected orbiting a star beyond our sun.

A new, large mosaic from NASA's Wide-Field Infrared Survey Explorer (WISE) showcases a vast stretch of cosmic clouds bubbling with new star birth.

The stars we see today weren't always as serene as they appear, floating alone in the dark of night.

The cold dust that builds blazing stars is revealed in new images that combine observations from the Herschel Space Observatory and NASA's Spitzer Space Telescope.

A JPL-developed airborne radar has returned to the home of Pele, the Hawaiian volcano goddess, to continue a study of one of Earth's most active volcanoes.

NASA's Mars Science Laboratory spacecraft has begun firing thruster engines for the first and largest flight-path adjustment of the trip from Earth to Mars.

Researchers plan to keep NASA's Opportunity rover busy through Martian winter at a sun-facing site, "Greeley Haven," where a study of the planet's core has begun.

A NASA study allays concerns melting Arctic sea ice could be increasing Arctic freshwater enough to impact the global 'ocean conveyor belt' that redistributes Earth's heat.

The second of NASA's two Gravity Recovery And Interior Laboratory (GRAIL) spacecraft has successfully completed its planned main engine burn and is now in lunar orbit.

There are several major meteor showers to enjoy every year at various times, with some more active than others.

The first of two NASA spacecraft to study the moon in unprecedented detail has entered lunar orbit.

NASA's Gravity Recovery And Interior Laboratory (GRAIL)-A spacecraft is within 24 hours of its insertion burn that will place it into lunar orbit.

NASA will hold a media telecon at 11 a.m. PST on Dec. 28, to preview twin spacecraft being placed in orbit around the moon for the New Year.

NASA's twin spacecraft to study the moon from crust to core are nearing their New Year's Eve and New Year's Day main-engine burns to place the duo in lunar orbit.

Sprigs of holly, a big red bow and silver bells appear to dress up this cosmic star-forming wreath, captured by NASA's Wide-field Infrared Survey Explorer (WISE).

No team of reindeer, but radio signals flying clear across the solar system from NASA's Cassini spacecraft have delivered a holiday package of glorious images.

A remote, blob-shaped galaxy has been found bursting with stars by NASA's Spitzer and Hubble space telescopes.

NASA's Dawn spacecraft has sent back the first images of the giant asteroid Vesta from its low-altitude mapping orbit.

NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system.

An American-Italian radar instrument orbiting Mars has mapped the three-dimensional structure of layers beneath the surface in the planet's north polar region.

By 2100, climate change will bring big changes to Earth's ecosystems, with many plants and animals facing increasing competition for survival, finds a new NASA/Caltech study.

NASA's car-sized Curiosity rover has begun monitoring space radiation during its 8-month trip from Earth to Mars.

NASA's Cassini spacecraft finishes close flyby of the Saturnian moon Dione on the way to Titan.

PASADENA, Calif. - NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta today, beginning a new phase of science observations.

Twenty-three student teams used devices they built to kick a football into the can at the annual Invention Challenge, held at JPL Friday.

What appears to be a giant red rose in space is all that's left of a star that exploded long ago.

NASA's Cassini spacecraft will be collecting images and data during close flybys of Saturn's moons Dione and Titan.

Autonomous Exploration for Gathering Increased Science (AEGIS) software operating on the Mars Exploration Rover Opportunity, is NASA's 2011 Software of the Year recipient.

In Greek mythology, Jason embarked on an epic quest for the Golden Fleece. Today, NASA's modern-day Jason-1 achieves its own heroic status, marking its 10th birthday.

It's now easier than ever to explore Mars in the great detail offered by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.

NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water.

New color data from NASA's Dawn mission give scientists an inside look at the chemical composition of giant asteroid Vesta.

NASA and university researchers have discovered the tsunami generated by the magnitude 9.0 quake off northeastern Japan in March 2011 was a long-hypothesized "merging tsunami"

NASA's Kepler mission has confirmed its first planet in the "habitable zone," the region around a star where liquid water could exist on a planet's surface.

NASA's Voyager 1 spacecraft has entered a new region between our solar system and interstellar space.

Excellent launch precision for NASA's Mars Science Laboratory mission has forestalled the need for an early trajectory correction maneuver, now not required for a month or more.

NASA's Cassini spacecraft obtains the first-ever synthetic aperture radar images of Saturn's moon Enceladus

NASA's Deep Impact spacecraft completed a 140-second firing of its onboard rocket motors on Thursday, Nov. 24.

Glide over the giant asteroid Vesta with NASA's Dawn spacecraft in a new 3-D video.

Data on groundwater storage from NASA's twin Grace satellites are now helping monitor droughts in Texas and elsewhere in the United States.

NASA's Dawn, Mars Science Laboratory and MESSENGER missions have been honored by Popular Science magazine with "Best of What's New" Award in aviation and space.

NASA began a historic voyage to Mars with the Nov. 26 launch of the Mars Science Laboratory, which carries a car-sized rover named Curiosity.

Engineers have received data from NASA's Mars Science Laboratory showing that all systems are operating normally. The approximately eight-month journey to Mars is underway.

NASA has updated information about the news conferences and other events for the agency's Mars Science Laboratory Curiosity rover launch.

Images from NASA's Mars Reconnaissance Orbiter show sand dunes and ripples moving across the surface of Mars at dozens of locations and shifting up to several yards.

NASA'S turning up the heat and weaving a path toward future exploration with development of new game-changing technologies.

New images and animated movies from NASA's Cassini spacecraft chronicle the birth and evolution of the colossal storm that ravaged the northern face of Saturn for nearly a year.

NASA's Galileo mission data have provided evidence of what appears to be a subsurface body of liquid water, with a volume equal to the Great Lakes, on Jupiter's moon, Europa.

NASA has invited 150 followers of the agency's Twitter account to a two-day launch Tweetup on Nov. 23 and 25 at the agency's Kennedy Space Center in Florida.

NASA will host a Science Update at 10 a.m. PST (1 p.m. EST) on Wednesday, Nov. 16, to discuss new theories concerning Jupiter's icy moon Europa.

NASA's Voyager 2 has successfully switched to the backup set of thrusters that controls the roll of the spacecraft.

NASA Scientists working with the Deep Space Network antenna at Goldstone, Calif., have released a second, longer, more refined movie clip of asteroid 2005 YU55.

The Tarantula nebula can be seen here in a web of dust and multimillion-degree gas.

The launch of NASA's Mars Science Laboratory with the Curiosity rover has been delayed one day, until Saturday, Nov. 26, at 7:02 a.m. PST (10:02 a.m. EST).

The very first stars in our universe were not the behemoths scientists had once thought, according to new simulations performed at NASA's Jet Propulsion Laboratory, Pasadena, Calif.

NASA's most advanced mobile robotic laboratory, which will examine one of the mostintriguing areas on Mars, is in final preparations for a Nov. 25 launch from Florida.

Scientists working with the 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a short movie clip of asteroid 2005 YU55.

NASA will hold a news conference Thursday, Nov. 10, to discuss the upcoming launch of the Mars Science Laboratory, with the largest and most capable rover going to another planet.

NASA's Deep Space Network antenna in Goldstone, Calif. has captured new radar images of Asteroid 2005 YU55 passing close to Earth.

Saturn's moon Enceladus shows its icy face and famous plumes in raw, unprocessed images captured by NASA's Cassini spacecraft during its successful flyby on Nov. 6, 2011.

NASA's Deep Space Network personnel sent commands to the Voyager 2 spacecraft Nov. 4 to switch to the backup set of thrusters that controls the roll of the spacecraft.

NASA's Cassini spacecraft will acquire the first detailed radar images of Saturn's moon Enceladus during a flyby on Sunday, Nov. 6.

A new NASA study suggests if life ever existed on Mars, the longest lasting habitats were most likely below the Red Planet's surface.

A disappearing Martian 'bunny,' the Saturn 'hex' and Jupiter's scar face are all featured in an all-new, mysterious slideshow from JPL's Education Office.

The launch of NASA's newest Earth spacecraft also deployed a small research satellite with a JPL-built experiment that will prove technology for future Earth missions.

When viewed in infrared light by NASA's Wide-field Infrared Survey Explorer, the "Pacman" nebula looks hungrier than usual.

NASA scientists will be tracking asteroid 2005 YU55 with antennas of the agency's Deep Space Network at Goldstone, Calif., as the space rock safely flies past Earth slightly closer than the moon's orbit on Nov. 8.

Latest indications are this relatively small comet has broken into even smaller, even less significant, chunks of dust and ice.

A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved.

Charles Elachi, director of NASA's Jet Propulsion Laboratory, has been honored by the National Academy of Engineering.

Using data from the Herschel Space Observatory, astronomers have detected for the first time cold water vapor enveloping a dusty disk around a young star.

Russia has provided a neutron-shooting instrument called DAN that will enable NASA's next Mars rover to detect water-bearing minerals buried underneath the rover.

Astronomers find a star with a companion as cool as Earth.

Three-quarters of a century ago, a small team of banished rocketeers lit a fuse that would eventually carry America to every planet in the solar system.

This raw, unprocessed image of Enceladus and its jets was taken on Oct. 19, 2011.

NASA's Spitzer Space Telescope has detected signs of icy bodies raining down in an alien solar system.

NASA's Cassini mission will take advantage of the position of two of the three stars in Orion's belt when the spacecraft flies by Saturn's moon Enceladus on Wed., Oct. 19.

NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Monday, produced with detailed measurements from NASA's Terra spacecraft.