A new study indicates that Mercury's core-mantle boundary (CMB) may possess a diamond layer that extends up to 18 kilometers ...

Mercury and Venus retrograde, two of the many celestial events some believe can cause turmoil, ended this month.

The astronomers spotted the planet using NASA's Transiting Exoplanet Survey Satellite (TESS), an MIT-led mission that ...

April 2025 brings exciting skywatching events including the peak of the Lyrid meteor shower, rare views of Mercury at its greatest elongation, and Venus shining brightly. Perfect for stargazers in the ...

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.

Below, find everything you need to know about which planets are retrograding, and how to survive the next few weeks. If you’ve landed on this article chances are you have a top line idea of what ...