Articles

A.J.S. Rayl

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.

Jason Davis

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.

Emily Lakdawalla

I have a newly updated scale comparison graphic to share: all the round worlds in the solar system smaller than 10,000 kilometers in diameter, now with added Pluto, Charon, and Ceres.

Ralph Lorenz

Planetary scientist Ralph Lorenz briefs us on the current state of our knowledge on dust devils on Earth and Mars.

Marc Rayman

Dawn has completed another successful campaign to acquire a wealth of data in its exploration of dwarf planet Ceres, providing our clearest and most complete view ever of this world.

Bruce Betts

An introduction to the Mastcam-Z stereo imager on the Mars 2020 rover, and brief reporting and reflections on team meetings, science instruments, and the exciting future of The Planetary Society covering the entire lifetime of this instrument, from design to Mars images.

Jason Davis

An update from NASA’s First Human Landing Sites/Exploration Zones on Mars Workshop at the Lunar and Planetary Institute in Houston, Texas.

Casey Dreier

The promise of a congressional budget deal could free up additional resources for NASA. What would a best case scenario look like, and is it possible within the deal?

Van Kane

Last year, NASA’s managers invited the European Space Agency to propose a small spacecraft to explore the Jovian system. Van Kane describes the recently-posted results of ESA's concept studies for two possible missions.

Jason Davis

This week in Houston, Texas, scientists are gathering to discuss where humans should first land and explore on the surface of Mars.

Jason Davis

At Georgia Tech in Atlanta, Cal Poly San Luis Obispo engineers loaded a P-POD replica into the partially assembled frame of the Prox-1 spacecraft. The meetup was a fit check to make sure the two pieces of hardware fit together as designed.

Jennifer Vaughn

The Planetary Society awarded awarded Neil deGrasse Tyson, astrophysicist and 19-year Planetary Society Board Member, with the 2015 Cosmos Award for Outstanding Public Presentation of Science.

Alex Longo

Where should NASA’s next Mars rover, the Mars 2020 sample caching mission, land? One site under consideration is Spirit's old stomping ground, the Columbia Hills.

Emily Lakdawalla

A few days ago, Dawn officially released the first big pile of data from the Ceres mission phase. Thanks to the public release, I can show you color global portraits of Ceres.

Jason Davis

NASA's Space Launch System officially shed the core stage's white paint job in favor of the vehicle's natural, orange-colored insulation.

Deepak Dhingra

Deepak Dhingra reports on a planetary analog field trip exploring a very young volcanic terrain in Idaho at Craters of the Moon National Monument and Preserve.

Jason Davis

Orbital ATK is a month-and-a-half away from resuming cargo runs to the International Space Station.

Casey Dreier

In its 2016 budget request, the White House inexplicably proposed to end two active, scientifically productive planetary missions: the Mars Exploration Rover Opportunity and the Lunar Reconnaissance Orbiter.

Casey Dreier

At the White House Astronomy Night, President Obama highlighted some of the major triumphs of NASA and its planetary science program. Yet his 2016 budget calls for further cuts to the program.

Emily Lakdawalla

A couple of days ago, Cassini flew past Enceladus for its 20th targeted encounter. Cassini has seen and photographed quite a lot of Enceladus before, but there's still new terrain for it to cover.