What is the moon phase today? Today, Dec. 2, 2025, the moon is 12 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 90% illuminated. Moon phase Date Full Moon Dec. 4 Third/Last ...
NASA is concluding the initial phase of its Fission Surface Power Project, which aims to develop concept designs for a compact, electricity-generating nuclear fission reactor for potential use on the ...