Articles

Jason Davis

A Soyuz capsule carrying Roman Romanenko, Chris Hadfield and Tom Marshburn landed safely in Kazhakstan after 146 days in space.

Bill Dunford

They look so similar they can be hard to tell apart, but each hides its own mysteries.

Jason Davis

Following an ammonia leak reported Thursday morning, NASA is planning a spacewalk to investigate a radiator on the P6 truss.

Emily Lakdawalla

China's lunar lander and rover are undergoing some of their last major tests and so are nearly ready for launch.

Emily Lakdawalla

You can watch via webcam as the next Deep Space Network radio antenna -- DSS 35, in Tidbinbilla, Australia -- gets its dish.

Mat Kaplan

Planetary Radio for the week of May 6 visits the Planetary Defense Conference one last time to join a

Emily Lakdawalla

Just messing around with a recently released processed version of the Deep Impact Hartley 2 data set.

Emily Lakdawalla

Please bear with me -- this blog entry has nothing to do with planets but a lot to do with society. For the last two days, my Twitter feed has been roiling with outrage about the story of Kiera Wilmot.

Marc Rayman

Marc Rayman's latest Dawn Journal explains why Dawn is currently closer to the Sun than both Ceres and Vesta.

A.J.S. Rayl

As the Mars Exploration Rover (MER) team waited out solar conjunction, Opportunity spent most of April atop the western rim of Endeavour Crater, conducting a chemical analysis of an ancient waterborne vein on Matijevic Hill. It was by the book until the last week of the month when the robot field geologist suffered an electronic

Emily Lakdawalla

Note the special time! In this week's Planetary Society hangout at 5pm PDT / midnight UTC, I'll talk with MESSENGER deputy principal investigator Larry Nittler about what MESSENGER has accomplished in its prime and extended missions at Mercury, and what it stands to do if awarded a mission extension.

Emily Lakdawalla

New Horizons might see a Pluto with a northern polar cap, a southern polar cap, or both caps, according to work by Leslie Young.

Bruce Betts

9-year-old Mike Puzio of North Carolina submitted the winning name for the asteroid target of NASA's OSIRIS-REx spacecraft. The Planetary Society, MIT's Lincoln Laboratory, and the University of Arizona asked students around the world to suggest names.

Bill Nye

I meet the future of science in the United States, and I speak directly to NASA Administrator Charles Bolden about my concerns for Planetary Science funding.

Emily Lakdawalla

We received more than 8000 entries from all over the world in the Name That Asteroid contest, and we can finally announce the winner. The asteroid formerly known as 1999 RQ36 is now formally named (101955) Bennu, for a heron associated with the Egyptian god Osiris.

Emily Lakdawalla

In this week's Hangout, Emily Lakdawalla hosted Mike Puzio and Dante Lauretta in a discussion about the naming of OSIRIS-REx' asteroid target.

Alex Parker

This month my latest paper made it to print in the Astronomical Journal. It's a short piece that describes a serendipitous discovery that my collaborators and I made while searching for a distant Kuiper Belt Object for the New Horizons spacecraft to visit after its 2015 Pluto flyby.

Emily Lakdawalla

Virgin Galactic achieved a major milestone today with the first supersonic flight for its SpaceShipTwo suborbital vehicle. The rocket fired for a total of 16 seconds.

Bill Dunford

The first human beings to see the mysterious

Van Kane

Now that groups and individuals have had time to digest the proposed 2014 NASA Planetary Science budget, they are highlighting the impacts of the proposed cuts. We are also getting the first independent reactions to the proposal to bring an asteroid to lunar orbit as a target for human exploration.