Spinning in only about 35,700 seconds, its day is the shortest in our solar system, and it only has a 3-degree tilt, so it ...

Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate chaos on Earth, Mars and Venus. One of the most common types of planets in ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

Scientists have so far identified five extreme solar particle events, three within the past 12,000 years, suggesting a rate of once every 1,500 years. However, researchers say more superflares likely ...

NASA's Dawn mission communicated with Earth for the last time, ending its exploration of Ceres and Vesta, the two largest ...

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

Storms aren’t just a phenomenon on Earth – they rage across the entire solar system! From Jupiter’s ... Gone Down In History As The Best Ever 25 facts that you may not know about the Civil ...

Faint magnetic properties in primitive asteroid fragments suggest an early magnetic field strong enough to shepherd the ...

Saturn is one of four planets in our solar system that have the distinctive feature. And now, scientists hypothesize that Earth may have sported its own ring some 466 million years ago.

A pair of satellites launched by the European Space Agency on Thursday will create the first artificial solar eclipses, ...

Here’s how it works. Earth isn't alone in orbiting our sun; it's joined by a bunch of planets, moons, asteroids, and comets that we collectively call our solar system. But how much do you know ...