Carl Sagan Institute Archives

Lisa Kaltenegger Credit: Ryan Young/Cornell University

Astrobiology (general), People Of Astrobiology, Press Release

Carl Sagan Medal Awarded To Astronomer Lisa Kaltenegger

by Keith CowingAugust 16, 2025August 16, 2025

Lisa Kaltenegger, associate professor in the Department of Astronomy in the College of Arts and Sciences, has been awarded the 2025 Carl Sagan Medal by the Division for Planetary Sciences […]

Using life on Earth as a guide, scientists are cataloging the colors and chemical signatures that a diverse range of organisms and minerals would present in an exoplanet’s reflected light. Credit: Ryan Young/Cornell University

Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Microbiology & Virology, Plant Biology, Press Release

In The Search For Alien Life, Purple May Be The New Green

by Keith CowingApril 16, 2024April 17, 2024

In the search for life across the cosmos, the familiar green hue we most associate with life on Earth may not be the best indicator. An Earth-like planet orbiting another […]