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

The spring equinox marks the start of astronomical spring. Wherever you are on the planet, the equinox occurs at the same ...

Two times a year, Earth’s orbit and its axial tilt combine so that the sun sits ... to join in gather to witness the sunrise over the ancient stones. Editor's note: This story was originally ...

For most of the year, the Earth’s axis is tilted either toward or away from the sun. That means the sun’s warmth and light fall unequally on the northern and southern halves of the planet.