In astronomy, what does retrograde mean? And what connection does it have to astrology? We explain how planets move across ...

The first observations from MERTIS revealed that certain areas of Mercury’s surface shine brighter in the mid-infrared than others. More specifically, the Caloris Basin and parts of a large volcanic ...

The BepiColombo spacecraft may have only made rapid flybys of Mercury, but it is already helping to unravel mysteries surrounding the closest planet to the sun. In 2026, a European Space Agency ...

The spacecraft collected new data on Mercury using its Mercury Radiometer and Thermal Infrared Spectrometer, or MERTIS. The ...

Much closer to the horizon and a distinct reddish color, the planet Mercury isn’t on most people’s observing lists. In fact, a professional astronomer last year told me it was impossible to ...

Credit: Hinode JAXA/NASA/PPARC Mercury is the least explored of the four rocky planets in the inner Solar System. It wasn’t ...

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 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 ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Mercury retrograde is happening again. If you believe astrologers and ...

Gird your loins and bite your tongues, folks; Mercury is going retrograde. Our planet of the mind and the mouth, information and slander, connection and communion, is going retrograde in ...