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Stories, updates, insights, and original analysis from The Planetary Society.
Curiosity update, sols 1726-1813: Surveying Vera Rubin Ridge from below
Curiosity had a productive three months driving along the front of Vera Rubin Ridge, gathering photos and data with its arm instruments, finally driving up on to the ridge on sol 1809.
What to expect during Cassini's final hours
A timeline of what to expect from the great mission during its final hours.
And then there was one
The end of the Cassini mission is a harbinger for a looming gap in outer planets exploration missions.
Voyager 40th Anniversary: Summer of '79
Planetary scientist Paul Schenk shares his story of working on the Voyager missions as a JPL intern back in 1979.
Curiosity's balky drill: The problem and solutions
Since December 1, 2016, Curiosity has been unable to drill into rocks because of a serious problem with one of the drill's motors. Emily Lakdawalla thoroughly explains the issues and the path forward for Curiosity.
Voyager 40th anniversary: Reflecting on the pale blue dot
Today is the 40th anniversary of the launch of Voyager 1. Four decades later, both spacecraft survive, still producing science, still working on their interstellar missions. On the occasion of the anniversary, we revisit Carl Sagan's reflections on the significance of the Voyager missions.
Book Update: The Design and Engineering of Curiosity
Emily Lakdawalla's first book is now available for pre-order.
Mars Exploration Rovers Update: Opportunity Ventures Deeper into Perseverance
Along the western rim of Endeavour Crater, Opportunity forged onward in August vicariously taking the Mars Exploration Rovers team – along with a global contingent of mission observers all around Earth – downhill into Perseverance Valley and deeper into a new chapter in this legendary expedition of the Red Planet.
A future comes into focus for the Mars Exploration Program
Casey Dreier says NASA's decision to pursue a Mars sample return mission is good news for Mars fans, Mars scientists and supporters of the decadal survey process.
Voyager 40th anniversary: Revisiting the Voyagers' planetary views
Björn Jónsson argues that even now, 40 years after Voyager 1 and 2 were launched, a lot of the data they returned is still of high interest.
Voyager 40th Anniversary: Watching an Alien World Turn
In 1979, both Voyager missions captured thousands of photos of Jupiter as frames of movies of the giant planet spinning among its moons. In honor of the mission's 40th launch anniversary, Ian Regan has reprocessed the data to produce stunning new movies.
NASA considers kicking Mars sample return into high gear
Thus far, no plan has solidified on how to get soil and rock samples from the upcoming Mars 2020 rover back to Earth. That is starting to change.
Voyager 40th anniversary: The Planetary Report's chronicles
In honor of the 40th anniversary of the Voyager missions, we're making publicly available seven back issues of The Planetary Report that chronicled the grand tour of the giant planets.
Voyager 40th anniversary: The transformation of the solar system
The Voyager missions transformed most of the large worlds of the solar system from points of light into places to be explored.
A good time for solar sailing: LightSail 2 finds itself among friends
Is the quest for flight by light approaching a tipping point? Representatives from the NEA Scout, CubeSail and StarChip missions discuss how their spacecraft are advancing the art of solar sailing.
Celebrating the 40th anniversaries of the Voyager launches
Sunday, August 20 marks the 40th anniversary of the launch of Voyager 2. Tuesday, September 5, will be the 40th anniversary for Voyager 1. Throughout the next three weeks, we'll be posting new and classic material in honor of the Voyagers. Here's a preview.
Five Earth Years on Mars
Five (Earth) years ago today, the Mars Science Laboratory Curiosity landed in a dramatic fashion on the surface of the Red Planet. We look back at a mission that advanced humanity's understanding of Mars and provided a priceless return on a modest investment.
Mars Exploration Rovers Update: Opportunity Enters Perseverance Valley, Settles in for Solar Conjunction
After struggling to get her left front wheel unstuck in June, Opportunity quickly adapted to a new driving strategy and unabashedly cruised into Perseverance Valley in July.
In total eclipse of a star, New Horizons' future flyby target makes its presence known
The team reported two weeks ago that the first attempts at observing 2014 MU69 were unsuccessful. But in their third try, on July 17, astronomers in Argentina saw the telltale sign of MU69's presence: a stellar wink.
Congress gives NASA's planetary science division some love (and a Mars orbiter)
The House of Representatives proposed $2.1 billion for NASA's planetary science budget, which would be an all-time high. Part of the increase would be used to start work on a new reconnaissance and communications orbiter.