May 30 presents a perfect opportunity to spot Mare Crisium — a dark Nevada-sized patch — etched into the delicate curve of the crescent moon before it sinks below the horizon around midnight.

The planet Mercury sits 3.5° to the left of a two-day-old crescent Moon in the evening sky tonight. At magnitude 0.1, Mercury is still bring and nearly 6° high in the west an hour after sunset. It's ...

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Stargazers are in for a treat this weekend, with the moon and a stunningly bright Venus set to appear very close to each other in the heavens. The event—known as a conjunction—will grace skies over ...

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in the predawn sky on Sept. 19, while others will see the lunar disk pass ...

Should your local weather forecast suggest that Friday morning — the start of the Memorial Day Holiday Weekend — will be fair and clear, it will be well worth setting your alarm clock to awaken you ...