Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

The Griffith Observatory was the perfect place to welcome spring. It’s an observatory, planetarium, and exhibition space that ...

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.

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

Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the ...

Spring officially begins in the Northern Hemisphere on March 20 with the vernal equinox as the entire world experiences an ...

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

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 ...

Despite centuries of efforts to map our planet precisely, our view of the world will always be political and imperfect.

The first day of spring is fast approaching in the Northern Hemisphere, bringing with it warmer weather and longer periods of ...

"Equinox" translates to "equal night" but most places in the Northern Hemisphere will see more than 12 hours of daylight for ...