The moon's orbit is elliptical, or oval-shaped, meaning as its distance from our planet changes, its apparent size changes, ...

Today, Feb. 13, 2025, the moon is 15 days old and is in the Full Moon phase of its lunar cycle. It is 99% illuminated. Moon phases reveal the passage of time in the night sky. Some nights when we ...

A cycle starting from one Full Moon to its next counterpart, termed the synodic month or lunar month, lasts about 29.5 days. Though a Full Moon only occurs during the exact moment when Earth ...

Element cycles are the biogeochemical pathways by which elements are transformed and moved through various states by geological and biological processes. Microbial-mediated transformation of ...