Sky This Week is brought to you in part by Celestron. Friday, February 20Once the waxing Moon sets this evening, its ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

As of Thursday, Feb. 19, the Moon phase is Waxing Crescent. According to NASA's Daily Moon Guide, 4% of the Moon will be lit ...

The sighting of a crescent moon determines the beginning of Ramadan, when Muslims fast from dawn to sunset. Here's when to ...

Plus NOAA's GOES-19 satellite spies the lunar disk crossing the face of our parent star.

Six planets will form a cosmic lineup Feb. 28 — here’s why the rare sight may be harder to spot than you think.

Grab your telescope and join us on a sightseeing tour, before the moon returns to spoil the fun!

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

One of the brightest stars in the night sky will vanish as seen from North America and Europe in a rare event.

A stunning Moon–Mercury conjunction will light up the western sky on 18 February. The slim crescent Moon will appear close to Mercury just after sunset. Here’s when to look, where it will be visible ...