The planet Mercury is visible after sunset in the west, forming a line with the heads of Gemini the Twins: the stars Castor ...

Mare Crisium, or the 'Sea of Crises', can be spotted on the night of May 30 as an oval-shaped dark patch on the moon's northeastern limb, close to the terminator — the line that separates day from ...

Look for them around 10 p.m. local daylight time, roughly one-quarter up in the western sky. In addition to their closeness ...

June offers a celestial spectacle, starting with the Milky Way's rise in dark skies. Venus shines brightly in the early ...

The Moon passes by on the 6th and 7th, but more than 10° to the south. With Vesta so bright, this shouldn’t be an issue. Vesta was discovered in 1807 by Heinrich Olbers, six years after Ceres.

A new book shows that the Northern Dene people of Alaska and Canada have known far more about the stars than an earlier ...

See the Moon line up with Mercury and the bright stars Pollux and Castor just after sunset on the 26th. Also, on the night of the 29th, the Waxing Crescent Moon and Mars will appear very close ...

On May 29, a crescent moon will align with the bright stars, Castor and Pollux, to create a face with a smile in the western US sky. Skywatchers can observe this rare alignment around 45 minutes after ...

The Gemini glyph resembles the Roman numeral II, representing duality and the mythological twins Castor and Pollux. Geminis are ruled by Mercury, the planet of communication, and they thrive on ...