In contrast, during a total solar eclipse — which is preceded by a partial eclipse — the moon completely covers the sun, ...

On Thursday, the Earth’s northern and southern hemispheres will receive equal amounts of daylight. The equinox also marks the ...

Starting off with astronomical seasons, this system bases itself on the Solstices and Equinoxes that occur each year as Earth ...

Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished together by gravity. That same cloud gave rise to our entire solar system, including our star, the sun.

This story was updated to add new information. Spring has sprung, bringing warmer days and blooming flowers. Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere.

March's full moon, known as the Worm Moon, will bring a stunning total lunar eclipse, turning the Moon a deep reddish hue in ...

These eclipse seasons are periods when the alignments of Earth, the moon and the sun cause either a full moon to move through Earth's shadow or a new moon to appear to pass across the sun's disk.

Oakland sits nestled in Maryland’s mountainous panhandle like a diamond on nature’s ring finger. The town serves as the crown ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky to the morning sky.