Articles

Jason Davis

A second launch attempt of a Cygnus cargo spacecraft bound for the ISS was scrubbed this evening, forcing ground controllers to schedule a third try Saturday at at 5:10 p.m. EST (22:10 UTC).

A.J.S. Rayl

Opportunity faced the challenges of winter as well as technological issues in November, but pressed on, hiking up hill and into a geological treasure trove that may well present the scientists with the evidence they need to solve the clay mineral mystery of Marathon Valley.

Marc Rayman

Dawn's Chief Engineer and Mission Director Marc Rayman previews what's in store as the spacecraft moves into its final mapping orbit around dwarf planet Ceres.

Jason Davis

Orbital ATK is returning its Cygnus cargo spacecraft to service on Thursday. This time, the ride to orbit will be a United Launch Alliance Atlas V rocket.

Emily Lakdawalla

I just love photos of Earth from planetary missions -- especially if they manage to get Earth and Moon in the same shot, as Hayabusa2 did on November 26.

Jason Davis

The Orion European Service Module test article has arrived at NASA Glenn Research Center's Plum Brook Station in Sandusky, Ohio, where it's being prepared for acoustic and vibration testing.

Emily Lakdawalla

The third entry in my series of blog posts about Favorite Astro Plots contains one of the biggest discoveries from the Apollo program -- as well as one of the biggest questions in planetary science. The chart was nominated by planetary scientist Barbara Cohen. It has to do with the ages of surfaces on the Moon.

Donna Stevens

At last! The fall issue of The Planetary Report is off the press—or ready for Planetary Society members to download now.

Nadia Drake

Stories about exploration and wonder can be powerful antidotes to seemingly endless suffering and destruction.

Jason Davis

LightSail's flight cameras are being prepped for installation after receiving a software upgrade and checkout from their manufacturer.

Emily Lakdawalla

Continuing an annual tradition, Emily Lakdawalla reviews children's books about space -- what's out there, how we explore, and why. Many of the books on this list aren't just for kids!

Jason Davis

Secretive spaceflight company Blue Origin flew its New Shepard launch vehicle to the edge of space, deployed a suborbital spacecraft and returned the spent booster rocket to Earth for an upright landing.

Emily Lakdawalla

A panel of outside experts reviewed the design of the Mars 2020 rover's color cameras, and approved the progress of Mastcam-Z. It still exists only as an idea in the cloud, but it's one significant step closer to being sent to Mars.

Jason Davis

A project to digitize more than 90,000 images taken by NASA’s five Surveyor spacecraft in the 1960s has revealed early hints of never-before-seen treasures captured by America’s first robotic lunar landers.

Jason Davis

NASA placed its first official order for a SpaceX Crew Dragon to carry astronauts to the International Space Station, the agency announced Friday.

Emily Lakdawalla

If you were to download the entire catalog of photos taken at Saturn to date by Cassini and then animate them like a flipbook, how long would it take to watch them all pass by? The Wall Street Journal's Visual Correspondent Jon Keegan has your answer: nearly four hours.

Erika Nesvold

At the 47th Division of Planetary Systems meeting, many presentations touched on some of the most contentious and poorly known aspects of how planets form.

Emily Lakdawalla

Akatsuki is finally approaching its second attempt to enter Venus orbit, on December 7; let's all wish JAXA the best of luck! And PROCYON, whose ion engines have failed, is still an otherwise perfectly functional spacecraft that is taking photos of Earth and the Moon as it approaches for a flyby.

Jason Davis

United Launch Alliance plans to include a CubeSat carrier on nearly every one of its Atlas V and Vulcan rockets starting in 2017, the company announced today.

Emily Lakdawalla

Updated numbers for physical properties of the comet, and a few interesting images of surface features and surface changes on Churyumov-Gerasimenko.