Though the trio fits well inside a one-degree circle in the sky, they're actually a good study in astronomical distance. The Moon is only 385,000 kilometers (1.3 light-seconds) away, while Venus is ...

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

Whether you are in the U.S. hoping to spot Venus beside the moon today, or in Europe awaiting the rare occultation, September 19 promises one of the most peaceful and photogenic celestial moments of ...

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely ...

Venus and Earth formed at the same time and share similar size and composition. Yet Venus is cloaked in carbon dioxide, with temperatures hot enough to melt lead.

Astronomy Ireland is setting up giant telescopes in anticipation of “an extremely rare view” of Saturn, which only occurs ...

Beneath Venus's thick, cloudy atmosphere lies a unique feature: lots and lots of massive "pancakes." Dubbed pancake domes by the scientists who study them, these mysterious pieces of Venusian ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. The moment of conjunction will happen at around 9 p.m. EDT, but don't plan on seeing the linkup. The ...

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see it.

In the search for habitable exoplanets, atmospheric conditions play a key role in determining if a planet can sustain liquid ...