Mercury has made a rare transit, where the planet passes across the face of the Sun as seen from Earth. During the transit, Mercury appeared as a dark silhouetted disc against the bright surface ...

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.

Mercury, though very small, has a magnetic field that creates a protective “bubble” around the planet: the magnetosphere. This field is about 100 times weaker than Earth's but interacts intensely with ...

The truth, however, is way more interesting. It's not exactly rare. That’s because Mercury orbits the sun every 88 days. An inner planet to Earth—so closer to the sun—it completes just over ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the spacecraft captured the imagery. Credit: Space.com | footage & orbit animation ...