To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

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

Thanks to the Hubble Space Telescope, we now know that a day on Uranus lasts for 28 seconds longer than previously thought – a difference that could be crucial in planning future missions to the gas g ...

Discover the order of planets in the solar system. From Mercury to Neptune ... system formed about 4.6 billion years ago from a giant rotating cloud of gas and dust known as the solar nebula.

Jupiter is our solar system's largest planet. The two brown dwarfs are gravitationally ... It would therefore be on an orbit that is inclined at 90 degrees to the rotation axis of the Earth," said ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

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 ...

Second-Largest Asteroid in the Solar System May Be an Ancient Piece From a Lost Planet, Claim Scientists Space exploration ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...

Astronomers searching for a ninth planet in our solar system say they've found a "good" candidate far beyond Neptune, according to a new preprint study. This could be humanity's first glimpse at ...