When it comes to locating objects in the night sky, how does one convey its precise position? The sky is divided into a scattered pattern of 88 constellations of various sizes and shapes covering ...

Right ascension, a celestial coordinate dating back to Hipparchus, measures the east-west position of celestial objects along the celestial equator, starting from the vernal equinox. Right ascension, ...

Archaeological sites such as Stonehenge were designed to align with the Sun's position on specific days, primarily solstices. Earth's precession, a 26,000-year cycle, shifts the Earth's axis but does ...

The autumn equinox is now upon us! Today marks the moment that the sun crosses the celestial equator, ushering in the beginning of astronomical autumn in the northern hemisphere, which brings with it ...

The Northern Hemisphere will mark the arrival of spring on March 20 with the vernal equinox, an astronomical event that occurs when the sun crosses the celestial equator, bringing nearly equal hours ...

Two Latin words that signify equal and night make up the word equinox. The European Space Agency (ESA) on Saturday released a satellite picture of day and night split in half on Earth's surface. The ...