Ari Koeppel
Policy and Advocacy Fellow, The Planetary Society
Latest Articles
Our new Science Mission Impact study and dashboard examine 143 NASA science missions and 148,534 peer-reviewed papers. Our main finding: In every science division, the cheapest missions can’t replace the science return of larger ones.
Countries around the world are planning missions to Mars, including rovers and a sample return from the moon Phobos.
Nearly 500,000 comments were submitted in response to a rule change proposed by the White House Office of Management and Budget that would fundamentally change how science is funded in the United States. Here's what comes next.
Latest Planetary Radio Appearances
The Artemis II crew has returned home safely after a historic journey around the Moon. We celebrate some of the most extraordinary moments from the mission. Meanwhile, back on Earth, the new Presidential Budget Request proposes a 47% cut to NASA's science budget, threatening 84 missions.
NASA has restructured the Artemis program, shifting Artemis III from a planned lunar landing to a low-Earth-orbit systems test following the rollback of Artemis II. We hear remarks from NASA leadership and break down what the changes mean with Planetary Society space policy experts.
Congress has passed a budget that restores near-full funding for NASA science after months of uncertainty. We break down what was saved, what was lost, and what comes next.


