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 ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

They reveal a whole new level of detail in these planet-forming systems. Breakthroughs, discoveries, and DIY tips sent every ...

Venus, Saturn, Mercury and Neptune will align in the night sky, in that order ... of planets, also sometimes referred to as a planetary alignment, is when several planets in our solar system ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible ...

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto ... “It’s motivated us a lot.” As with all Planet 9 research, the findings have been ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think ... in Venus' atmosphere traps all the sunlight that manages to ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...