The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

Chile's pristine, dark desert skies, world-renowned for astronomy, are at risk of being outshined by urban and industrial ...

Thursday starts dry early, then a burst of steady snow moves through during the late morning and early afternoon hours. Snowfall rates may reach 1 inch per hour, leading to very tough travel ...