What if planet Earth is undergoing such rapid change that the traditional framework of “seasons” no longer makes sense in our ...

The summer solstice is the longest day of the year for the Northern Hemisphere because this is when the Earth’s north pole is tilted toward the sun at its most extreme angle. Solstices only ...

The solstices mark the times during the year when the Earth is at its most extreme tilt toward or away from the sun. This means the hemispheres are getting very different amounts of sunlight ...

The Earth spins on a tilt as it revolves around the sun. The summer solstice occurs for Earth's upper half when the Northern Hemisphere is tilted most closely toward the sun.

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.

The first day of spring is Thursday. The spring equinox will occur at 5:01 a.m. EDT on Thursday. An equinox occurs when the Earth's equator aligns with the sun, resulting in a "nearly" equal ...

The solstice is the end of the sun’s annual march higher in the sky, when it makes its longest, highest arc. According to the Associated Press, the Earth's axis is either tilted toward or away ...

The autumnal equinox occurs in September – when the Earth's axis is tilted neither toward nor away from the sun, resulting in roughly 12 hours of daylight and 12 hours of darkness almost ...

Its fall – or autumnal — equinox can land between Sept. 21 and 24. The solstices mark the times during the year when the Earth is at its most extreme tilt toward or away from the sun.

The Earth spins on a tilt as it revolves around the sun. The summer solstice occurs for Earth's upper half when the Northern Hemisphere is tilted most closely toward the sun.