In the darkness of Mercury’s long night, astronomers have detected a faint sodium glow trailing millions of kilometers behind ...

Mercury, the smallest planet in our solar system, has many features that have puzzled scientists for a long time. For […] ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

Mercury, the smallest and innermost planet in our solar system, has a number of unusual characteristics that have long puzzled scientists. Despite being only slightly larger than Earth's moon ...

Reference Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way. An object seen to have moved in the ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon ...

"We do not have a single sample, in the form of a meteorite, from Mercury and Venus," Yap tells Universe Today. "The building blocks of both planets are derived from the innermost solar system ...

The solar system has many more moons than the one we ... The two innermost planets, Venus and Mercury, will shine together low in the western sky at sunset on March 10. Here's how to get the ...