Articles

Marc Rayman

A decade after leaving its first home in the solar system, Dawn is healthy and successful at its current residence around Ceres.

Emily Lakdawalla

India's Mars Orbiter Mission has now completed three years in orbit at Mars, and ISRO celebrated the anniversary by releasing the mission's second-year data to the public. Emily Lakdawalla spent a week downloading and processing data for your enjoyment.

A.J.S. Rayl

The Martian winter began to grip Endeavour Crater in September, slowing Opportunity's pace. But she braved the brutal cold in Perseverance Valley and followed her commands to visually document everything in sight.

Jason Davis

SpaceX CEO Elon Musk presented an updated version of his Mars colonization plans today, during a widely anticipated talk at the 68th International Astronautical Congress in Adelaide, Australia.

Emily Lakdawalla

As expected, OSIRIS-REx's Earth flyby on September 22 was a success. The mission is slowly releasing beautiful images of our home worlds taken by its many cameras following the flyby.

Max Fagin

Making Mars habitable will require us to master the conversion of raw Martian materials into resources we can use to survive. Fortunately, Mars has a wealth of usable materials, making it one of the most human-habitable places in the solar system, other than Earth itself.

Donna Stevens

The Fall 2017 issue of The Planetary Report is in the mail and available online now to our members!

Larry Crumpler

Opportunity is continuing its drive down Perseverance Valley, a possible channel that was cut in the inner wall of the 22 km-diameter Endeavour impact crater on ancient Mars.

Phil Stooke

How were the Chang'e 5 and 4 landing sites chosen? Space exploration historian Phil Stooke explains.

Emily Lakdawalla

OSIRIS-REx launched on September 8, 2016. Now, a year later, it's returning to its home to get a second boost on to its destination, the asteroid Bennu. It'll test all its cameras on Earth and the Moon in the 10 days after the flyby.

Emily Lakdawalla

Cassini is no more. At 10:31 according to its own clock, its thrusters could no longer hold its radio antenna pointed at Earth, and it turned away. A minute later, it vaporized in Saturn’s atmosphere. Its atoms are part of Saturn now.

Emily Lakdawalla

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.

Emily Lakdawalla

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.

Emily Lakdawalla

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.

A.J.S. Rayl

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.

Casey Dreier

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.

Björn Jónsson

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.

Ian Regan

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.

Jason Davis

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.

Tanya Harrison

Where did you venture to view the Great American Eclipse? About 100 people were lucky enough to make the trip of a lifetime for it: 38,000 feet above the Pacific Ocean, courtesy of Alaska Airlines.