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#AGU17: Spherical harmonics, gravity, and the depth of winds at Jupiter

Emily Lakdawalla • December 20, 2017

Results from the Juno gravity science experiment presented at last week's American Geophysical Union meeting suggest Jupiter's winds penetrate only to 3000 kilometers deep.

A closer look at China's audacious Mars sample return plans

Andrew Jones • December 19, 2017

China is making steady progress on a proposed mission to bring a piece of Mars back to Earth in the late 2020s.

#AGU17: JunoCam science

Emily Lakdawalla • December 18, 2017

JunoCam may be an outreach instrument, but its superb photos of storms on Jupiter are providing plenty of data for scientists to talk about.

Congress rejects graduate student tax

Casey Dreier • December 14, 2017

The Planetary Society was proud to join dozens of other scientific organizations in standing against this unnecessary and detrimental tax increase on the future scientific workforce of the United States.

Brief note from #AGU17: Juno observes volcanism on Io

Emily Lakdawalla • December 13, 2017

At the American Geophysical Union meeting, members of the Juno team showed observations of active volcanism on Jupiter's moon Io.

An exoplanet-hunting space telescope turns and takes a photo of Earth

James Davenport • December 08, 2017

On December 10, Kepler—NASA’s prized exoplanet discovery telescope—will finally turn back and take a picture of the Earth.

The case for Venus

Jason Davis • December 08, 2017

NASA is about to pick finalists for its next New Frontiers mission. Will Venus make the cut?

South Korea's first lunar mission planned for 2020

Emily Lakdawalla • December 07, 2017

South Korea's first mission to the Moon, the Korea Pathfinder Lunar Orbiter KPLO, is now planned for launch in December 2020.

Celebrating Our Volunteers

Kate Howells • December 05, 2017

December 5th is International Volunteer Day, and The Planetary Society has many reasons to celebrate...3,652, to be exact!

The Mars Exploration Rovers Update: Opportunity Returns Fundamental Finding in Perseverance, Cruises Through Winter Solstice

A.J.S. Rayl • December 01, 2017

Opportunity continued the historic winter science campaign inside Perseverance Valley and delivered the goods that confirmed an important discovery in November, and then cruised through winter solstice, driving the mission closer to its 14th anniversary of surface operations coming up in January.

India's Chandrayaan-2 mission preparing for March 2018 launch

Emily Lakdawalla • November 29, 2017

India plans a return to the Moon with an orbiter, lander, and rover on the Chandrayaan-2 mission.

Clipper Slipper

Jason Davis • November 28, 2017

Will NASA's Space Launch System be ready to launch a Europa mission in 2022?

How far they'll go: Moana shows the power of Polynesian celestial navigation

Duane W. Hamacher and Carla Bento Guedes • November 21, 2017

The Polynesian peoples' astronomical knowledge helped them colonize the vast Pacific Ocean.

Emily's recommended space books for kids of all ages, 2017

Emily Lakdawalla • November 15, 2017

Welcome to my ninth annual recommendations and gift guide to books about space, planets, and astronauts for kids of all ages!

This newly discovered Earth-sized planet could harbor life

Jason Davis • November 15, 2017

And it's only 11 light-years away.

Reminder: The Giant Magellan Telescope is going to be awesome

Jason Davis • November 10, 2017

The GMT will characterize Earth-size exoplanets' atmospheres, looking for compounds that indicate the presence of life.

Planetary Society asteroid hunter snags picture of interstellar visitor ʻOumuamua

Jason Davis • November 07, 2017

Asteroid hunters named the first-known interstellar asteroid ʻOumuamua as a nod to its scout-like traits.

Sharing Space in Australia

Erin Greeson • November 06, 2017

The Planetary Society’s 2017 journey to Australia expanded our perspective, advocacy and global community. It was rich with reminders close to Carl Sagan’s heart: We are all connected through time, humankind, and our origins in the stars.

Dawn Journal: Second Extended Mission

Marc Rayman • November 03, 2017

Building on the successes of its primary mission and its first extended mission, NASA has approved the veteran explorer for a second extended mission.

The Mars Exploration Rovers Update: Opportunity Pops Wheelies Over Etched Rocks in Perseverance

A.J.S. Rayl • November 02, 2017

As brutally cold got even colder at Endeavour Crater in October, the depths of winter gripped Opportunity, and ‘life’ on Mars slowed. But the robot field geologist continued to work on through the doldrums of the season.

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