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Field Report from Mars: Sol 4669

Larry Crumpler • March 13, 2017

Opportunity has begun driving down a long southward slope in Endeavour, heading toward Perseverance Valley.

You’ve met Saturn’s ravioli-shaped moon, Pan. Now learn how it was discovered

Mark Showalter • March 13, 2017 • 2

Planetary astronomer Mark Showalter tells the story of when he became the first human to ever set eyes on Saturn's strange moon Pan in 1990.

Field Report from Mars: Sol 4662 - March 6, 2017

Larry Crumpler • March 11, 2017 • 1

For nearly two years, Opportunity's world has been tilted 10–25 degrees as it drove down to the lower slopes of the wall of Endeavour Crater. Toward the end of last week, Opportunity pulled itself up and over the lip of the crater.

Mars Exploration Rovers Update: Opportunity Reaches Top of Endeavour Rim, Wraps Cape Tribulation

A.J.S. Rayl • March 03, 2017 • 5

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.

Dawn Journal: Intricate Maneuvers

Marc Rayman • March 02, 2017 • 2

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.

Citizen scientist spots changes on Rosetta's comet

Marco Parigi • February 27, 2017 • 3

Citizen scientist and self-described "comet whisperer" Marco Parisi explains how he made a striking discovery on Comet 67P using Rosetta mission data.

Radar in Earth and Planetary Science: An Intro

Heather Hunter • February 24, 2017 • 1

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

Wonderful potentially habitable worlds around TRAPPIST-1

Franck Marchis • February 22, 2017 • 14

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.

Did Voyager 1 capture an image of Enceladus' plumes erupting?

Ted Stryk • February 21, 2017 • 4

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

Finding spacecraft impacts on the Moon

Phil Stooke • February 20, 2017 • 2

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.

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