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Heiligenschein Throughout the Solar System

Brittney Cooper • October 16, 2018 • 2

When planetary scientist Brittney Cooper was scrolling through the downlinked images of Hayabusa2’s approach of asteroid Ryugu, a familiar sight caught her attention.

Curiosity's organics on Mars

Emily Lakdawalla • July 30, 2018 • 4

What does it mean that the Mars rover Curiosity found organics in Martian rocks? Emily Lakdawalla translates the science.

Liquid Water on Mars! Really for Real This Time (Probably)

Emily Lakdawalla • July 25, 2018 • 10

A radar instrument on one of the oldest operational Mars orbiters has discovered possible evidence of present-day liquid water on Mars.

How the Apollo missions transformed our understanding of the Moon’s origin

Jatan Mehta • July 19, 2018 • 1

Where did the Moon come from? The origin of our cosmic neighbor is a fundamental question in planetary science.

Favorite Astro Plots: The Pyroxene Quadrilateral

Melissa Lane • June 15, 2018

Petrology is a field of science in which scientists study the compositions of rocks and minerals and interpret their geologic history. A common graph petrologists use is the “pyroxene quadrilateral.” These graphs, like photos of space, can reveal an understanding of the remotest parts of the solar system.

Big news from the magnetosphere

Geoffrey Reeves • June 05, 2018

At five years and counting, the Van Allen Probes mission continues to reshape our thinking about how Earth’s radiation belts flex and reconfigure under the influence of solar storms.

How long is a day on Saturn?

Emily Lakdawalla • May 30, 2018

One of the Cassini mission's goals was to figure out how long a day on Saturn is. We still don't know. A new paper reports a measurement of the rotation period of Saturn that is different from past measurements.

#Mercury2018: From MESSENGER to BepiColombo and beyond

Emily Lakdawalla • May 17, 2018 • 5

A Mercury meeting held May 1-3 summarized the current and future science of the innermost planet. Emily Lakdawalla was there and shares her notes.

Philae science results: Comet 67P is crunchy on the outside, soft on the inside

Emily Lakdawalla • May 09, 2018 • 1

What is the surface of a comet like? That's one of the main questions that motivated Philae's mission to the surface of comet 67P/Churyumov-Gerasimenko. We now know the comet has a rigid crust about 10 to 50 centimeters thick, below which the comet is much more fluffy.

#LPSC2018: Mars mass wasting in the laboratory

Jake Robins • March 26, 2018 • 5

Mars today is a dynamic place. One visually dramatic sign of change on Mars is "mass wasting," more commonly known as "stuff falling downhill". Scientists presented the results of recent laboratory work on Mars mass wasting at last week's Lunar and Planetary Science Conference.

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