Articles

Emily Lakdawalla

A cute video from the OSIRIS-REx mission in the style of

Casey Dreier

We've waited long enough, Europa cries out for exploration and discovery. It's time to heed that cry.

Casey Dreier

The House Science Committee is considering giving a select few NASA programs special protected status against cancellation.

Van Kane

ASRGs could have stretched NASA's limited supply of plutonium to potentially enable missions to the perpetually-shadowed polar craters on our moon, to flyby Uranus, or to float for months on a Titan lake.

Emily Lakdawalla

On December 1 at 17:30 UTC, Chang'e 3 launched atop a Long March 3B rocket on a direct lunar transfer trajectory. It is scheduled to enter orbit December 6 and land December 14. The rocket was equipped with cameras that recorded thrilling video of the launch and final departure of the probe.

Emily Lakdawalla

Two spacecraft launched for Mars this month: Mars Orbiter Mission on November 5, and MAVEN on November 18. MAVEN is now on an interplanetary trajectory, while Mars Orbiter Mission is still in Earth orbit and will not depart for Mars until the end of the month. A lot of people are asking me: why the difference? Here's your answer, with input from Dave Doody.

Emily Lakdawalla

A perfect launch on an Atlas V rocket has sent MAVEN on her way to Mars today at 10:28 PT (18:38 UT). Today's on-time launch puts the mission on course for a September 22, 2014 arrival at Mars.

Casey Dreier

The Advanced Stirling Radioisotope Program (ASRG) was just cancelled by NASA. This was to be the saving grace for Plutonium-238 availability, as it was a much more efficient way to generate electricity than classic RTG systems.

Jasper S. Halekas

ARTEMIS is a mission that retasked two probes from the 5-spacecraft Heliophysics constellation THEMIS to study the interaction of the Moon with the space plasma environment.

Casey Dreier

Episode 5 focuses on Mars, the planet that has stubbornly refused to conform to the wishes of humanity for hundreds of years, from Lowell to Sagan. Grab your cosmo and join our discussion of 'Blues for a Red Planet.'

Emily Lakdawalla

As India's Mars Orbiter Mission continues to pump up the altitude of its orbit around Earth, NASA's MAVEN is making final preparations for its direct-to-Mars launch. All is proceeding acccording to schedule toward its November 18 launch at 1:28 EST / 10:28 PST / 18:28 UTC.

Van Kane

The European Space Agency has selected two astrophysics observatories as its next large science missions, overlooking every proposed planetary mission. ESA's current selection of planetary missions, however, means it will still be a major player in solar system exploration for the next two decades.

Emily Lakdawalla

The PSLV carrying ISRO's Mars Orbiter mission shot like a firework off the launch pad today, placing the spacecraft precisely into its planned elliptical orbit of Earth. Now the 10-month cruise phase begins. Congratulations to ISRO!

Mat Kaplan

An update on the Planetary Society's improved Optical SETI search, with Harvard's Paul Horowitz and Curtis Mead.

Casey Dreier

Humans face the consequences of our own knowledge about the cosmos in this latest episode recap and analysis of Carl Sagan's classic series.

Emily Lakdawalla

The excitement is really building toward India's first-ever attempt at an interplanetary spacecraft! Launch day is quickly approaching for the Mars Orbiter Mission. In this lengthy post, I provide answers to frequently asked questions about the mission and its goals.

Bruce Betts

An update from University of Strathclyde researchers about the Planetary Society sponsored laboratory Laser Bees asteroid deflection project including a new laser and other lab equipment, and the start of new related projects.

Casey Dreier

We report on the current state of Plutonium-238 production in the United States, a crucial fuel source for planetary exploration spacecraft.

Mat Kaplan

Society Advocacy and Outreach Coordinator Casey Dreier visits Planetary Radio with the tale of an element that is essential to exploration of deep space.

Bruce Betts

This week, the United Nations will move one step closer to an international response to the threat from near Earth objects (NEOs).