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

The spring equinox will occur at 5:01 a.m. EDT on Thursday. Here's what to know about the start of the spring season.

The moon seemed to take bites out of the sun this weekend during a partial solar eclipse in the Northern Hemisphere. The spectacle, only visible for a few minutes unfolded on late morning Saturday, ...

Aprils' Pink Moon will be visible in the middle of the month. The Lyrids meteor shower will happen later in April.

As the world cruises through spring, meteorologists and climatologists are closely watching ever-changing water temperatures ...