NASA Exoplanet Exploration Archives

Figure summarizing the key science objectives. -- astro-ph.IM

Nautilus Space Observatory: The Evolution of Planets and their Atmospheres

by Keith CowingJune 29, 2026June 29, 2026

[astro-ph.IM] We are just beginning to explore the billion-year evolution from nascent planets in disks to mature planetary systems. Recent discoveries hint at demographic and atmospheric differences between young planets […]

Vivid colors belie the arid landscape of northern Chile where the Atacama Desert,one of the world’s driest, meets the foothills of the Andes. Here salt pans andgorges choked with mineral-streaked sediments give way to white-capped volcanoes. This scene was acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA’sTerra satellite on October 28, 2001. Image provided by the USGS EROS Data Center Satellite Systems Branch as part of the Earth as Art II image series. Larger image

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Ecophysiological Study Of Green Microalgae Isolated From The Grit Crust Of The Atacama Desert

by Keith CowingJune 25, 2026June 25, 2026

Terrestrial algae play a critical, yet often overlooked, role in the functioning of biological soil crusts (biocrusts), which are considered microecosystems, particularly in extreme environments.