COMPASSE Research Group at Cornell University is dedicated to Comparative Planetology and Solar System Exploration, focusing primarily on planetary surfaces and atmospheres, with an emphasis on Mars and the outer solar system satellites. Under the leadership of Dr. Alexander Hayes, the group specializes in the design, calibration, and operation of remote sensing instruments on robotic planetary spacecraft. Their research includes studying unique phenomena such as Titan's lakes, Mars' subsurface characteristics, and the intricate rings of Saturn.

The COMPASSE team is committed to understanding the processes that shape planetary environments, producing valuable data products, and providing mission support for ongoing explorations. Alongside their scientific endeavors, they actively engage in outreach and publish their findings, contributing to the broader understanding of our solar system. With expertise in mineral spectroscopy and a focus on key planetary bodies like Europa and Titan, COMPASSE is at the forefront of innovative research aimed at uncovering the mysteries of planetary science.