If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

Discover the brightest planets in the December 2025 night sky, including Jupiter and Mercury, and know the best times to see ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Mercury, often considered the “elusive planet,” is notoriously difficult to observe due to its proximity to the Sun. However, ...

While Mercury, the wily planet of communication, doesn’t officially station retrograde until November 9, we’re locked and loaded to experience a lovely little preview of its hijinks courtesy of the ...

Mercury retrograde is an optical illusion that occurs when the planet Mercury appears to move backwards in the night sky.

What do many baked goods and the planet Mercury have in common? They shrink as they cool. Evidence suggests that since it formed about 4.5 billion years ago, Mercury has continuously contracted as it ...

Recently reported methane signatures detected by the James Webb Space Telescope could be a hint to it potentially harboring ...