Articles

A.J.S. Rayl

Driving the Mars Exploration Rovers (MER) mission further into its fourteenth year of surface operations, Opportunity continued hiking the slopes of Cape Tribulation in February and finally reached the crest of Endeavour Crater’s western rim.

Jason Davis

Two private citizens are paying SpaceX for a 2018 flight around the Moon. Is that timeline realistic?

Marc Rayman

The Dawn mission is executing an ambitious bonus goal recently devised for its extended mission. Mission Manager and Chief Engineer Marc Rayman brings us his monthly update.

Marco Parigi

Citizen scientist and self-described

Heather Hunter

Heather Hunter explains how radar works and what it's used for on Earth and beyond.

Franck Marchis

Scientists have found seven, Earth-size planets orbiting a star just 40 light years away. Three lie in the habitable zone and could have water on their surfaces.

Ted Stryk

Amateur image processor Ted Stryk revisited Voyager 1 data of Enceladus and came across a surprise.

Jason Davis

Today, NASA announced progress on a spacecraft that would assess whether Jupiter's Moon Europa is habitable, and earlier this month, an agency-sponsored science team released a report on a separate lander mission that would directly search for signs of life.

Phil Stooke

Over nearly 60 years of spacecraft exploration of the Moon, lots of spacecraft have crashed on the lunar surface—some accidental, some intentional. Phil Stooke hunts for their impact sites.

Jason Davis

A SpaceX Falcon 9 rocket blasts off from a former space shuttle launch pad tomorrow morning. Here's a rundown of everything you need to know about the historic event.

Jason Davis

Planetary Society CEO Bill Nye and LightSail systems engineer Barbara Plante recently traveled to Japan for a solar sailing symposium. Our Q&A with Plante discusses everything from CubeSat attitude control systems to robotic giraffes in Tokyo.

Sara Jennings

The Science Line—a non-profit working to bridge the gap between science, technology and fashion by inspiring youth through STEM fashion shows, competitions, educational kits and hands-on workshops—hosted the first STEM Fashion Show in partnership with the Challenger Space Center of Arizona.

Larry Crumpler

Opportunity has successfully clawed its way to within a few meters of the crater rim after spending the last few months climbing and the last two years inside the crater.

Jason Davis

NASA is currently accepting proposals for its next New Frontiers-class planetary science mission. What does the agency look for in a winning proposal? The two scientists behind the ORISIS-REx and Psyche missions share some tips.

Erin Greeson

The London Science Museum, one of the world’s leading science centers, has welcomed our citizen-funded spacecraft into its halls.

Bryan J. Rodriguez-Colon

Earth possesses amazing biological diversity. Every corner of this planet—no matter how bizarre the place—is inhabited by microorganisms. This includes impact craters.

Larry Crumpler

Several sols ago, Opportunity made it up and past the steepest section of its climb out of Endeavour crater.

A.J.S. Rayl

2017 got off to a start that was unprecedented in every good way: Opportunity completed her 13th Earth year of surface operations and drove the first overland expedition of the Red Planet into its 14th year.

Emily Lakdawalla

Since my last update, the Curiosity mission has developed a better understanding of the problem that prevented them from drilling at Precipice, but its intermittent nature has slowed the development of a workable solution that will allow them to use the drill again. In the meantime, the rover has driven onward, making good use of its other instruments.

Marc Rayman

Dawn has moved into its sixth orbital phase, with a new sun angle that provides an opportunity to gain a new perspective on the asteroid Ceres.