Stargazers on nearly one half of the world witnessed a total lunar eclipse overnight, as a rare cosmic lineup caused the moon ...

Mercury, the first planet from the sun, is about to stand out among the stars this week. But this brightness is not expected ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at ...

Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more ...

Exactly two weeks after the "blood moon" total lunar eclipse comes a partial solar eclipse visible to some in North America.

Tonight a total lunar eclipse will sweep the Western Hemisphere as the sun, earth and moon align. Called the 'Blood Moon', the reddish hue will be visible without special glasses or a telescope. NBC's ...

Tomorrow night, skywatchers across the Big Country will get a front-row seat to a stunning celestial event — a total lunar ...

Astronomy Ireland said the early stages from 5am will be ‘quite spectacular’ to the naked eye and will be high enough to see ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

Four-State residents can look up at the sky Thursday night into Friday morning to catch a glimpse of the "Blood Moon" lunar ...