Articles

Dante Lauretta

The OSIRIS-REx mission passed another major milestone. We now have approval to build the spacecraft.

A.J.S. Rayl

On March 24, 2015, after spending several weeks investigating some new rock types along the western rim of Endeavour Crater, Opportunity roved past 42.2 kilometers (26.2 miles) and put the first off-Earth marathon in her rear view mirror, driving the Mars Exploration Rovers mission back into the space history books.

Casey Dreier

A new advocacy initiative for the Society: let's get humans to Mars.

Stuart Robbins

Scientist Stuart Robbins discusses dating the lunar surface is using impact craters.

Marc Rayman

Dawn's Chief Engineer and Mission Director, Marc Rayman, explains why we haven't seen any new images of Ceres—and when we can expect them.

Bruce Betts

Thanks to a new focal reducer and re-aluminized mirror from a Shoemaker NEO grant, a 0.81-meter telescope in Italy is performing astrometric follow-up observations and physical studies of asteroids.

Jason Davis

The team behind The Planetary Society’s LightSail spacecraft is kicking off a series of simulations to ensure the spacecraft’s ground systems are ready for launch.

Larry Crumpler

Opportunity reaches a marathon milestone—in more ways than one. Larry Crumpler reports on the current status of the seemingly unstoppable Mars rover.

Jason Davis

The one-year ISS mission of Scott Kelly and Mikhail Kornienko began with an early morning launch from Baikonur, Kazakhstan.

Paul Schenk

Although we are still along way from understanding this fascinating little body, Ceres is finally becoming a real planet with recognizable features! And that's kinda cool.

Nathan Bridges

Planetary scientist Nathan Bridges reports on results from the Lunar and Planetary Science Conference about the action of wind on the surfaces of Mars and Titan.

Van Kane

The road to lower costs outer planet missions has been paved by NASA’s first two New Frontiers missions, the $700M New Horizons mission to Pluto and the $1.1B Juno mission to Jupiter. But can the cost of a mission to the outer solar system be cut to $450M, the limit for a Discovery mission?

Emily Lakdawalla

At last week's Lunar and Planetary Science Conference, the MESSENGER team held a press briefing to share results from the recent few months of incredibly low-altitude flight over Mercury's surface. The mission will last only about five weeks more.

Jason Davis

This Friday, astronaut Scott Kelly and cosmonaut Mikhail Kornienko will embark for a one-year mission aboard the International Space Station.

Jason Davis

NASA has decided to pluck a small boulder off a large asteroid, instead of bagging an entire asteroid outright, the agency announced Wednesday.

Emily Lakdawalla

Cassini recently took a long, high-resolution movie of the F ring, catching a view of its ringlets, clumps, and streamers, and two potato-shaped moons, Prometheus and Pandora.

Jason Davis

Desert Moon, a 35-minute documentary that tells the story of Dr. Gerard Kuiper and the dawn of planetary science, is now available online.

Paul Hayne

A new project—

Merc Boyan

Planetary Society Media Producer Merc Boyan presents our new video resource.

Mark Showalter

When New Horizons flies past Pluto in July, we will see a new, alien landscape in stark detail. At that point, we will have a lot to talk about. The only way we can talk about it is if those features, whatever they turn out to be, have names.