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Penelope Boston - Subsurface Astrobiology: Cave Habitats on Earth, Mars, and Beyond

Penelope Boston - Subsurface Astrobiology: Cave Habitats on Earth, Mars, and Beyond

Penelope Boston - Subsurface Astrobiology: Cave Habitats on Earth, Mars, and Beyond

Penelope Boston - Subsurface Astrobiology: Cave Habitats on Earth, Mars, and Beyond

Saturn's north polar region displays its beautiful bands and swirls, which somewhat resemble the brushwork in a watercolor painting.

The moon, or supermoon, is seen rising behind the Soyuz rocket at the Baikonur Cosmodrome launch pad in Kazakhstan, Monday,…

Michael Flynn - Synthetic Biological Membrane

Michael Flynn - Synthetic Biological Membrane

Michael Flynn - Synthetic Biological Membrane

At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crew members Thomas Pesquet of the European Space Agency…