Articles

Vitaliy Egorov

On Sunday, the shadow of the Moon passed across Africa and the Atlantic Ocean. This was the last solar eclipse of the year. The Elektro-L satellite was able to observe the eclipse, and we can see the darkness of the lunar shadow covering Africa.

Mat Kaplan

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

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!

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

Here is a list I've compiled of places that I'll be watching for news of the Mars Orbiter Mission launch...

A.J.S. Rayl

As fall began to give way to winter at Endeavour Crater, Opportunity cruised deeper into her campsite on the western side of Solander Point in October, heading for a site that may contain clay minerals and the rover's next big discovery, and the Mars Exploration Rovers mission trekked another month closer to its 10th anniversary in January 2014.

Marc Rayman

Deep in the main asteroid belt between Mars and Jupiter, Dawn is continuing its smooth, silent flight toward dwarf planet Ceres. Far behind it now is the giant protoplanet Vesta, which the spacecraft transformed from a tiny splotch in the night sky to an exotic and richly detailed world.

Adolf Schaller

Adolf Schaller, an artist on the original Cosmos series, shares his experience of creating the painting,

Emily Lakdawalla

This animation is cool! It's not an official outreach product, just the hard work of a space enthusiast excited about the upcoming launch of Chang'e 3.

Mat Kaplan

Host Mat Kaplan will be joined by Bill Nye the Science Guy, Bruce Betts and Emily Lakdawalla for this special live event.

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 continue our analysis of Cosmos as we jump back in time to see the birth of modern science with Johannes Kepler or, as Sagan calls it, the first fusion of

Casey Dreier

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

Matthew Knight

You may have noticed that Comet ISON appears to have a green halo in some recent images, but in other images acquired at about the same time, it doesn’t. Thanks to the beautiful new spectrum posted earlier today by Christian Buil, it’s relatively easy to understand why.

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.

Emily Lakdawalla

China's Chang'e 3 lunar soft lander and rover are proceeding toward a planned December launch. The Long March-3B rocket departed Beijing for the Xichang launch facility yesterday, and is expected to arrive November 1. Meanwhile, 190,000 contest entries have been winnowed to a list of ten possible names for the rover.

Kate Howells

The Planetary Society’s work beyond the United States is still not nearly as extensive as it is in the Society’s home country. But we are making some huge steps towards changing that, starting with Canada – America’s neighbor, NASA’s partner, and the home of almost eighteen hundred Planetary Society members.

Larry Crumpler

On sol 3451 Opportunity began its climb of Solander Point. This is the highest “mountain” that Opportunity has tried to climb yet.

Emily Lakdawalla

The Martian Geologic Time Scale is a lot more complicated than the Moon's.