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 ...

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

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

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

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

It rapidly zooms into the morning sky, reaching an angular distance of 15 degrees from the sun by month's end. Meanwhile, glowing brilliantly, well up in the southern and western sky is Jupiter.

For the best chances, spectators should look at the sky as soon as the sun sets. That's when the planets will make a brief appearance. Tokyo started seeing the parade first, on Feb. 22 ...

The first of two total lunar eclipses in 2025 will be best seen from North America overnight on March 13-14, 2025. Europe ...

"So that from our perspective the planets are always very close to the apparent path of the Sun in the sky also known as the ecliptic. "This means they will always be along this line. "You could ...

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 ...