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OSIRIS-REx blazes into evening sky, starting journey to asteroid Bennu

Jason Davis • September 08, 2016

NASA's OSIRIS-REx spacecraft is safely en route to asteroid Bennu following an evening liftoff from Cape Canaveral, Florida.

Mars Exploration Rovers Update: Opportunity Gets in the Groove, Wraps Science Marathon Valley

A.J.S. Rayl • September 05, 2016

Opportunity got in the groove at Endeavour Crater in August finishing the last of her science assignments in Marathon Valley.

OSIRIS-REx is on the launch pad, ready for the big day

Emily Lakdawalla • September 02, 2016

The OSIRIS-REx mission passed its flight readiness review yesterday, clearing the way for the spacecraft to launch on Thursday, September 8. Here's a schedule of next week's NASA TV briefings and a photo album of the launch preparations.

Dawn Journal: Diving Low

Marc Rayman • September 01, 2016

Following the conclusion of Dawn's ambitious 8.8-year prime mission on June 30, the spacecraft has been gathering a wealth of data with all sensors in its extended mission as it orbits closer to Ceres than the International Space Station is to Earth.

SpaceX's Falcon 9 rocket explosion: What we know and don't know

Jason Davis • September 01, 2016

A SpaceX Falcon 9 rocket exploded on the launch pad at Cape Canaveral this morning. Here's what we know and don't know.

What's up in the solar system, September 2016 edition: OSIRIS-REx launches, Rosetta ends

Emily Lakdawalla • August 31, 2016

The month of September begins with an annular solar eclipse visible from much of Africa on September 1. On or after September 8, we'll see OSIRIS-REx launch into a two-year cruise toward a rendezvous with asteroid Bennu. But September will close, sadly, with the end of the wonderful Rosetta mission.

Juno's first Jupiter close approach successful; best JunoCam images yet to come

Emily Lakdawalla • August 27, 2016

NASA announced this afternoon that Juno passed through its first perijove since entering orbit successfully, with science instruments operating all the way. This is a huge relief, given all the unknowns about the effects of Jupiter's nasty radiation environment on its brand-new orbiter.

OSIRIS-REx launch preview

Emily Lakdawalla • August 17, 2016

Launch day is coming for NASA's next interplanetary explorer! OSIRIS-REx is on schedule for launch on September 8, 2016 at 19:05 EDT (16:05 PDT, 23:05 UTC) from Cape Canaveral Air Force Station. OSIRIS-REx is the first NASA planetary launch since MAVEN in 2013, and will be the last until InSight in 2018.

Photos: OSIRIS-REx prepares for launch

Emily Lakdawalla • August 15, 2016

Only 24 days remain until the opening of OSIRIS-REx's launch period, and final preparations are underway. There is a lot to do in the final months before a launch, but things seem to be going well.

Curiosity update, sols 1373-1427: Driving up to Murray buttes, drilling at Marimba

Emily Lakdawalla • August 11, 2016

Curiosity has now covered most of the flat ground that lay between the Naukluft plateau and the Murray buttes. The mission took only 11 days to complete drilling work at Marimba, despite a recurrence of a problematic short in the drill. The rover is ready to drive in among the buttes, shooting spectacular photos along the way.

Yutu is NOT dead (probably)

Emily Lakdawalla • August 10, 2016

Despite what you may have read on other websites last week, China's Yutu lunar rover is probably still functional on the surface of the Moon.

Mars Exploration Rovers Update: Opportunity Nears End of Marathon Valley Tour, Team Celebrates 40th Anniversary of Viking

A.J.S. Rayl • August 03, 2016

Despite the intensifying rancor and ugliness of the U.S. Presidential campaigns on Earth, as the spring Sun shined down on Meridiani Planum in July, all was right with the world at Endeavour Crater.

Dawn Journal: Staying at Ceres

Marc Rayman • July 30, 2016

The official end of Dawn's prime mission was June 30, but the valiant adventurer began its "extended mission" of performing more Ceres observations without missing a beat.

What's up in the solar system, August 2016 edition: Juno to get Jupiter close-ups, Rosetta descending, road-tripping rovers

Emily Lakdawalla • July 29, 2016

This month we'll finally see JunoCam's first high-resolution images of Jupiter. We'll also see OSIRIS-REx making progress toward its September 8 launch. Both rovers are road-tripping at Mars, while ExoMars Trace Gas Orbiter has completed a major mid-course correction ahead of its October arrival.

Field Report From Mars: Sol 4410 - June 20, 2016

Larry Crumpler • July 28, 2016

Opportunity is finishing up its activities in Marathon Valley, getting ready to hit the road again.

MAVEN Status and Extended-Mission Planning

Bruce Jakosky • July 27, 2016

The MAVEN mission to Mars was just approved for a two-year extended mission that runs through September 2018. Now is a good time to take stock of we've learned so far and to describe the plans for the extended mission.

Rosetta end-of-mission plans: Landing site, time selected

Emily Lakdawalla • July 26, 2016

ESA's comet-chasing Rosetta spacecraft is nearing the end of its mission. Last week, ESA announced when and where Rosetta is going to touch down. And tomorrow, it will forever shut down the radio system intended for communicating with the silent Philae lander.

Multimedia recap: Two launches, a landing, a docking, and a berthing

Jason Davis • July 20, 2016

Four days of cargo craft mania came to a close at the International Space Station this morning, as astronauts Kate Rubins and Jeff Williams snagged an approaching SpaceX Dragon vehicle and berthed it to the laboratory's Harmony module.

Mars 2020 rover rolls into final design and fabrication phase

Jason Davis • July 15, 2016

NASA's next Mars rover is rolling off the drawing board and into its final design and fabrication phase, the agency announced today, during a televised event at the Jet Propulsion Laboratory that highlighted some of the mission's technology.

Mars Exploration Rovers Update: Opportunity Begins Final Science Campaign in Marathon Valley

A.J.S. Rayl • July 07, 2016

The Mars Exploration Rover (MER) mission entered its 150th month of surface exploration in June as Opportunity began checking off the last science investigations in Marathon Valley, and the crew on Earth looked ahead to the future past.

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