The crescent moon will be visible 20 degrees above the western horizon at sunset on July 28, with Mars appearing as a bright ...

The sun just released a burst of a rare form of helium known as helium-3 (3 He). What's peculiar is this lightweight, elusive isotope isn't usually seen in such high amounts.

Moon sign Frequency: The moon moves through signs every 2.5 days. Within astrology, moon signs represent the part of ourselves we can’t express literally, but feel on a deep and soulful level.

Nay, the moon is an equally important qualifier in our quest for self-knowledge. While the sun stays in each zodiac sign for roughly a month, the moon changes every two to 2½ days.

Following Saturn is Venus, rising in New York at 2:51 a.m. on July 25. Venus is in Taurus, and so bright that it is ...

Your sun, moon, and rising signs are the essential pieces to your unique astrological puzzle. Here’s what to know about these key placements.

NASA says that during totality of the eclipse, meaning when the moon covers the sun completely, you can most definitely take off the filter to see the sun's corona.

Halo around the sun, seen from Sweden on April 24, 2014, and captured by Fotograf Goran Strand. Moon halo captured by Aaron Robinson in Idaho Falls, Idaho, on January 30, 2015.