A mysterious bow-shaped "gravity" cloud that hovers over mountains on Venus could speed up the planet's day by a couple of minutes, according to a study. We don't know exactly how long it takes Venus ...

For years, scientists have been unable to agree on the length of a day on Venus, but one new study might put an end to this confusion. The planet Venus rotates very slowly, with a single revolution ...

One of the things we're proudest of at Scientific American is that we've helped train some of the best science writers, graphic artists and multimedia producers in the business. Our editors frequently ...

For years, scientists have been unable to agree on the length of a day on Venus, but one new study might put an end to this confusion. The planet Venus rotates very slowly, with a single revolution ...