Scientists may finally know why Venus, Earth's twin, lacks a moon, finding that the hottest planet in the solar system may have consumed its own natural satellite.

Venus is one of the solar system's most unusual planets. It may sometimes be called "Earth's twin" because of its similar size and density, but it rotates on its axis in the opposite direction of most planets,

September’s sky features brilliant Venus, the Milky Way’s hazy center, and the seasonal turning point of the equinox. The month ends with a glowing Harvest Moon rising near Saturn and faint Neptune.

The silicon carbide transistor is designed to avoid low controllability and current leakage, which typically become problems at high temperatures.

This week we bid adieu to the brightest planet in the heavens: Venus. For the past few months, it has glistened like a jewel in our western sky at dusk,

Venus has no moon today, but tidal models suggest an ancient satellite could have spiraled back and been destroyed.

Looking for a sky event this week? Check out our full Sky This Week column. September 6: The Moon and Mars in Gemini Venus has pulled away from the bright star Spica in Virgo, which it met in the sky last week,

Venus is sinking into the sunset as it catches up with Earth — and a small telescope now reveals something the naked eye never can: another planet going through phases.