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A Day in the Solar System: 28 October 2015

Bill Dunford • November 09, 2015

On October 28th, the Cassini spacecraft flew through the geyser plume of Saturn's moon Enceladus. But Cassini was not the only spacecraft operating in the solar system that day.

A Roundup of Dust Devil Research

Ralph Lorenz • November 02, 2015

Planetary scientist Ralph Lorenz briefs us on the current state of our knowledge on dust devils on Earth and Mars.

Preparing for the Journey to the Moon, Mars and Beyond

Deepak Dhingra • October 21, 2015

Deepak Dhingra reports on a planetary analog field trip exploring a very young volcanic terrain in Idaho at Craters of the Moon National Monument and Preserve.

Searching for the Origins of Earth’s Water

Van Kane • September 17, 2015

Three recently proposed low-cost space missions all aim to answer the same question: Where did Earth's abundant water come from?

In Pictures: West Virginia from Space

Jason Davis • July 29, 2015

Jason Davis shares five images of his home state, West Virginia, taken by astronauts aboard the International Space Station.

DSCOVR's Halo

Dave Doody • July 28, 2015

The Deep Space Climate Observatory (DSCOVR) has begun sending us fresh, whole-hemisphere images of our own fragile planet. Some sources say that the spacecraft is "orbiting" the L1 point. Dave Doody thinks this warrants some scrutiny.

DSCOVR mission releases first EPIC global view of Earth, more to come in September

Emily Lakdawalla • July 20, 2015

Five months after its launch, the Deep Space Climate Observatory (DSCOVR) mission has successfully journeyed to the region of space where Sun and Earth gravitational attraction offset each other. From the vantage point of L1, DSCOVR's EPIC camera has captured its first full-globe view of Earth, and it's well, epic.

Welcome home, AstroSamantha

Emily Lakdawalla • June 15, 2015

Three astronauts have returned to Earth, and while I'm happy that they landed safely, I'm very sad that astronaut Samantha Cristoforetti is not in space anymore to wish us "buona notte dallo spazio" with her lovely photos and piquant comments.

LPSC 2015: Aeolian Processes on Mars and Titan

Nathan Bridges • March 26, 2015

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.

A Sky Full of Stars

Bill Dunford • March 09, 2015

In pictures of the planets, the stars aren't usually visible. But when they do appear, they're spectacular.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 04, 2015

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

Flawed Beauties

Bill Dunford • February 02, 2015

More examples of imperfect--but tantalizing--images from deep space.

A (Difficult) Day in the Solar System

Bill Dunford • October 30, 2014

After a bad day on the launch pad, some perspective.

From Mercury orbit, MESSENGER watches a lunar eclipse

Emily Lakdawalla • October 10, 2014

Watch as our enormous moon -- a quarter the diameter of the planet -- just winks out as it passes into Earth's long shadow, in an animation captured from more than 100 million kilometers away.

45th Binghamton Geomorphology Symposium Report

Ted Stryk • September 23, 2014

The 45th Binghamton Geomorphology Symposium, usually focused on terrestrial studies, shifted this year to planetary science. Ted Stryk gives us an overview.

Lovely, live, continuous, high-definition video of Earth

Emily Lakdawalla • May 20, 2014

Have you ever wished you could enjoy the astronauts' view of Earth from the Space Station? Now, you can. Just go to the live feed from the High Definition Earth Viewing (HDEV) experiment, crank it up to its highest resolution, let it take over your monitor, and watch Earth spin by.

A new Earthrise over the Moon from Lunar Reconnaissance Orbiter's pushframe camera

Emily Lakdawalla • May 13, 2014

Earth's brilliant colors shine above the drab lunar horizon in this new "Earthrise" photo from the Lunar Reconnaissance Orbiter. An animation that accompanied the image release helped me to write an explainer on how pushframe cameras like Lunar Reconnaissance Orbiter's Wide-Angle Camera works.

Another Day in the Solar System

Bill Dunford • May 12, 2014

One day, five worlds.

Forensic Ballistics: How Apollo 12 Helped Solve the Skydiver Meteorite Mystery

Philip Metzger • April 21, 2014

What can a 45-year-old mission to the Moon tell us about a "meteorite" flying past a skydiver on Earth?

Fireworks in the Earth's Sky Sent from the Moon: Reflections from LPSC 2014

Deepak Dhingra • April 03, 2014

Deepak Dhingra reports on presentations from this year's Lunar and Planetary Science Conference focusing on how impacts on the Moon have affected Earth.

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