Scientists have long speculated why Venus, with a size, mass and structure similar to Earth's, doesn't have a moon. New UC ...

Venus will reach its point of greatest brilliancy tonight, Sept. 18, when it will have the largest apparent surface area lit ...

Earlier explanations of why Venus doesn't have a moon leaned on drama. Perhaps something enormous smashed Venus' ancient moon ...

Scientists have puzzled over why the planet dubbed "Earth's twin" doesn't have a moon. Computer simulations hint that if Venus ever did have one, it probably would've cannibalized its companion ...

A century-old mystery in Venus’s clouds just became more intriguing, as scientists calculated how strongly the unidentified ...

Venus is often called Earth’s twin. The two planets are remarkably similar in size, mass, and composition, and both formed in ...

New research argues that the planet's rift valleys may indicate continuing tectonic activity, challenging the picture of a ...

Venus is set to upstage "every star around it" on Friday as it reaches peak brilliance, according to NASA.

Look west on September 18, when the planet reaches peak brilliance. Here’s what makes it so bright and how to see its crescent through a telescope.

Skywatchers are in for a treat with a brilliant Venus peak on Sept. 18. Here's everything to know, including the stargazing ...