We usually think of our Solar System as a calm, well-organized family of planets, but a new study suggests its early days may ...

Saturn, the sixth planet from the Sun, holds a distinction no other world in our solar system can claim: its average density ...

As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...

A new study suggests that a massive structure beyond Jupiter trapped the cosmic dust needed to form the first building blocks ...

Venus, Jupiter and Mercury are due to form a planet parade in June visible across the US. What to know, including the date ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant ...

Scientists may have found one of the main sources of rocky material for the solar system, forming diverse populations of baby ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

There you have it, the Summer Triangle. It covers a large chunk of the summer sky. Along with helping you find the three ...