New simulations suggest Venus' extremely slow rotation could have caused a hypothetical moon to spiral inward and collide ...

Venus may have once had a moon, but new research suggests the planet’s incredibly slow rotation could have doomed it.

Venus is often called Earth’s twin because the two planets are similar in size, mass and structure. Yet they differ in one ...

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

One of our solar system’s biggest puzzles has long been why Venus has no moon. Often referred to as Earth’s twin, Venus is almost the same mass and size as our own planet. But it does have an ...

Venus may have been capable of forming a moon early in its history, but new tidal models show that many plausible ...