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

The Northern Hemisphere is welcoming Spring 2025 on March 20, also known as the vernal equinox. The jump into spring has come ...

For those of us who approach things by the Goldilocks Principle (not too little, not too much), spring equinox is practically ...

(NASA/JPL-Caltech via AP) Read full article: Venus passes between the Earth and sun this weekend ... shows close-up photos of Mercury's north pole taken by the European-Japanese spacecraft ...

In the Southern Hemisphere, this day marks the first day of autumn ... directly on the Northern Hemisphere with the Earth’s North Pole tilting toward the Sun. It is summer in the Northern ...

There is both equal night and day on the equinox, as the center of the sun is directly over the equator. In Portland, the sun ...

A partial solar eclipse will be visible from North America on March 29, 2025. Here’s when, where, and how to safely watch it ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...