Exobiology

A new study published in Nature Geoscience provides the first evidence of fresh water and dry land on Earth by 4 billion years ago - pushing back the conditions for life to…

As the NEID spectrometer on Kitt Peak begins its scientific mission of discovering Earth-like planets elsewhere in the Milky Way, a University of Arizona team is providing the software hub…

An unknown methane-producing process is likely at work in the hidden ocean beneath the icy shell of Saturn's moon Enceladus, suggests a new study published in Nature Astronomy by scientists…