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Live from Sagamihara: Akatsuki in Orbit, Day 1

Sanjay Limaye • December 08, 2015

One day after closest approach, Akatsuki is now speeding away from Venus at 4.09 kilometers per second and is 180,000 kilometers from the planet. In his last report from Sagamihara, Sanjay Limaye gets some updates on the new orbiter's trajectory.

SpaceX, Partners Prepare for Falcon Return-to-Flight

Jason Davis • December 08, 2015

SpaceX is preparing to return its Falcon rocket to service after the loss of a mission in June 2015. A backlog of payloads, including an ISS-bound Dragon cargo craft, await.

Live from Sagamihara: Akatsuki Orbit Insertion Success!

Sanjay Limaye • December 07, 2015

The Akatsuki team achieved something that no mission as done before – put a spacecraft into orbit around a planet using only the attitude control thrusters. An event that one could not even conceive or propose!

After Weather Cooperates, Atlas Rocket Launches Cygnus Cargo Craft to ISS

Jason Davis • December 06, 2015

It took four tries for the weather to cooperate, but on Sunday afternoon, a Cygnus cargo spacecraft loaded with 3.3 metric tons of critical crew supplies launched toward the International Space Station.

Live from Sagamihara: Akatsuki Orbit Insertion - Second Try

Sanjay Limaye • December 06, 2015

Venus researcher Sanjay Limaye reports from the Institute of Space and Astronautical Science (ISAS) in Sagamihara on the status of Akatsuki's second Venus orbit insertion attempt.

Timeline for Akatsuki's second attempt at orbit insertion

Emily Lakdawalla • December 04, 2015

This is it: Akatsuki's final chance at Venus orbit insertion. The rocket firing should begin on December 7 at 08:51 Japan time (December 6 23:51 UT / 15:51 PST) and last for 20 minutes. It will take two days for JAXA to determine whether the orbit has been changed enough for Akatsuki to stay at Venus.

Bad Weather Fizzles Cygnus Launch Attempt (Again)

Jason Davis • December 04, 2015

A second launch attempt of a Cygnus cargo spacecraft bound for the ISS was scrubbed this evening, forcing ground controllers to schedule a third try Saturday at at 5:10 p.m. EST (22:10 UTC).

Back from the Brink: Akatsuki Returns to Venus

Ralph Lorenz • December 04, 2015

Perhaps forgotten by the general public in the West, a long-lost spacecraft is set to enter orbit around our sister planet in December, picking up where ESA’s Venus Express left off when its operations ended last year.

Mars Exploration Rovers Update: Reality Bites but Opportunity Climbs to "Treasure Trove"

A.J.S. Rayl • December 03, 2015

Opportunity faced the challenges of winter as well as technological issues in November, but pressed on, hiking up hill and into a geological treasure trove that may well present the scientists with the evidence they need to solve the clay mineral mystery of Marathon Valley.

Dawn Journal: Descent to LAMO

Marc Rayman • December 02, 2015

Dawn's Chief Engineer and Mission Director Marc Rayman previews what's in store as the spacecraft moves into its final mapping orbit around dwarf planet Ceres.

Preview: Cygnus to Resume ISS Cargo Runs with Help from Atlas V Rocket

Jason Davis • December 02, 2015

Orbital ATK is returning its Cygnus cargo spacecraft to service on Thursday. This time, the ride to orbit will be a United Launch Alliance Atlas V rocket.

Hayabusa2 views Earth and the Moon on approach to December 3 flyby

Emily Lakdawalla • December 01, 2015

I just love photos of Earth from planetary missions -- especially if they manage to get Earth and Moon in the same shot, as Hayabusa2 did on November 26.

NASA Orders First Official SpaceX Crew Flight to ISS

Jason Davis • November 23, 2015

NASA placed its first official order for a SpaceX Crew Dragon to carry astronauts to the International Space Station, the agency announced Friday.

Two JAXA mission updates: Akatsuki Venus orbit entry and PROCYON Earth flyby coming up!

Emily Lakdawalla • November 19, 2015

Akatsuki is finally approaching its second attempt to enter Venus orbit, on December 7; let's all wish JAXA the best of luck! And PROCYON, whose ion engines have failed, is still an otherwise perfectly functional spacecraft that is taking photos of Earth and the Moon as it approaches for a flyby.

Curiosity update, sols 1109-1165: Drilling at Big Sky and Greenhorn, onward to Bagnold Dunes

Emily Lakdawalla • November 16, 2015

Since my last update, Curiosity drilled two new holes, at Big Sky and Greenhorn, and is now approaching Bagnold Dunes.

OSIRIS-REx Progressing Through Environmental Testing

Dante Lauretta • November 16, 2015

The OSIRIS-REx spacecraft continues to make steady progress toward launch in September 2016. Environmental testing is now underway to ensure the spacecraft is ready for the many conditions it will experience over its mission.

In Pictures: Orion, SLS Hardware on the Move

Jason Davis • November 06, 2015

November is shaping up to be a busy month for Orion and Space Launch System hardware. A human-rated flight engine is in the test stand at Stennis Space Center, and a version of Orion's service module is getting ready to cross the Atlantic.

ESA mission updates

Emily Lakdawalla • November 04, 2015

There have been several important pieces of news about European missions in the last month: Rosetta's fate has been determined; ExoMars Trace Gas Orbiter's launch is slightly delayed; and they have selected a landing site for the ExoMars rover.

On Station's 15th Anniversary, A Look at Astronaut Utilization

Jason Davis • November 04, 2015

An analysis by The Planetary Society shows that in the post-space shuttle era, NASA astronauts spend roughly 33 percent less time aboard the International Space Station than their Russian counterparts.

Mars Exploration Rovers Update: Opportunity Hits Winter Slopes at Marathon Valley

A.J.S. Rayl • November 04, 2015

Opportunity hit the slopes of her seventh winter haven on the south side of Marathon Valley in October as the mission entered the 130th month of what was initially slated to be a 90-day tour.

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