As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

March 20: Spring Equinox At 5 a.m. ET on March 20, the northern hemisphere will welcome ... and More in December's Night Sky See the First Meteor Shower of the Year, Six Planets in One Night ...

The galaxy cluster known as the "Leo Trio" appears in the early evening sky around the beginning of spring in the Northern Hemisphere in March. The ph... Deadline for medical students to return ...

Mercury puts on its best evening apparition of 2025 for Northern Hemisphere observers during ... at least not just yet. Related: Night sky, March 2025: What you can see tonight [maps] Read more ...