Today's New Moon is also called a Black Moon, as it is the third in a string of four New Moons in a single astronomical ...

Ruddy planet Mars is just under 3° south of the twin suns that make up the double star Porrima in Virgo this evening.

A Black Moon leaves the skies dark for deep-sky observing, then a waxing crescent moves through Virgo and hangs with Mars.

Although faint, Comet Wierzchoś can be picked up by larger scopes as it passes near the planetary nebula NGC 6058 this ...

A century from now, a pair of spacecraft might boldly go where no human-made object has gone before: a black hole. Here's how ...

Hundreds of millions of years ago, an asteroid caught by Earth's gravity might have fragmented, creating a temporary ring ...

Our Milky Way is one of more than 100 galaxies bound together by gravity.

One of the last few Titan shadow transits of the year takes place overnight tonight, with several of Saturn’s other moons ...

Mercury, Venus, and Jupiter all congregate in the morning sky, joined by the Waning Moon and the bright stars of Gemini this ...

The tiny planet Mercury stands 19° west of the Sun in the early-morning sky, located in Cancer near the Beehive Cluster.

This newly discovered explosion reveals the inner workings of a dying star.

Targeted SETI approach listens for alien radio 'spillover' during planetary alignments, using Earth's deep space ...