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Stories, updates, insights, and original analysis from The Planetary Society.

The Mars Exploration Rovers Update: The Final Report

It’s a fall afternoon at Endeavour Crater. The summer winds finally lost their energy and the dust storm season is over. But there are no more signals coming from Earth. No more comm sessions with the orbiters. Nothing like it used to be.

Slava Linkin, 1937-2019

Slava Linkin, one of the leading planetary scientists in the Soviet Union and later Russia, passed away on 16 January 2019. Viachelslav Mikhailovich Linkin was an enormously important participant in Planetary Society history.

Yoshihide Kozai (1928 - 2018)

Caltech planetary scientist Konstantin Batygin pays tribute to a pioneer in celestial mechanics.

In Appreciation of Kim Poor

We at The Planetary Society are saddened to hear about the recent passing of veteran space artist Kim Poor.

Back to Mercury! Europe and Japan's BepiColombo mission moves closer to launch

Next year, a pair of probes head to Mercury to answer outstanding questions about our innermost planet, as well as the formation of the solar system.

Remembering planetary scientist Michael A’Hearn

Planetary scientist Michael A’Hearn passed away on Monday, May 29, leaving a remarkable legacy in cometary science—but even more importantly in the careers of many younger scientists who flourished with his encouragement and mentorship.

A Tribute to Nathan Bridges

Last week, the planetary science community lost Nathan Bridges, a leading scientist whose work studied how wind sculpts the surface of Mars. Nathan was a prolific scientist involved in many Mars exploration missions, a charter member of The Planetary Society, a friend, husband, and father.

Remembering Ewen Whitaker, the "careful and caring" scientist who found Surveyors 1 and 3

Ewen Whitaker was one of the founding members of the University of Arizona Lunar and Planetary Laboratory, one of the world's first research institutions dedicated to studying the moon and planets.

Lonny Baker: An Appreciation

Global Volunteer Coordinator Tom Kemp pays a heartfelt tribute to The Planetary Society's first Global Volunteer Leader, Lonny Baker.

Leonard Nimoy: A Science Fan's Appreciation

Mat Kaplan pays a heartfelt tribute to a science fiction icon.

Remembering Charles Townes

Mat Kaplan honors the memory of a scientific pioneer.

The Passing of Warren Ashley

Warren Ashley, pioneer of distance learning at CSUDH, passed away March 21, 2014. His idea led to the partnership between CSUDH and The Planetary Society to produce an online Introductory Astronomy course.

Planetary Radio: Comet ISON, Rest in Pieces

Karl Battams of NASA's Comet ISON Observing Campaign is our guest on this week's show. He explains how ISON really did become the comet of the century for scientists.

I Remember Bruce Murray

This week's Planetary Radio is a tribute to the Planetary Society's co-founder, Chairman and President. Mat provides a more personal tribute in this blog post.

Bruce Murray (1931-2013)

One of the most remarkable minds of 20th century exploration was stilled this morning, August 29, 2013, when Bruce C. Murray died of Alzheimer’s disease at the age of 81. The Planetary Society owes its existence to Bruce.

Bruce Murray: Personal Reflections of a Former Student

I am saddened by the loss of my professor and mentor, Bruce Murray. I celebrate him here by sharing some personal memories and reflections. There is much to respect, and also much to amuse as we reflect on the life of this great man.

In Memoriam: David S. McKay

NASA planetary scientist David S. McKay has passed away. He had an enormous impact on planetary studies over the course of his career. He also was a co-investigator on The Planetary Society LIFE experiments.

Columbia, ten years on

Remembering Rick Husband, William McCool, Michael Anderson, Kalpana Chawla, David Brown, Laurel Clark, and Ilan Ramon on the tenth anniversary of the loss of the space shuttle Columbia.

A True Pioneer of the Science and Art of Flight

Although Neil Armstrong may have passed away, his name will be part of human history forever.

Neil Armstrong changed the world

Neil Armstrong changed the world. He was an excellent engineer and an outstanding pilot. He got the assignment to land a completely novel rocket machine on the Earth’s Moon, because he was the perfect man for the job: He could really fly; he had excellent judgment about the capabilities of his ship; and above all, he had a remarkable ability to keep his wits about him in extraordinarily dangerous situations.

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