Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

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

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by ...

His calculations suggested the body would be on a much greater tilt than the solar system’s plane and would orbit in a different direction from the known planets. This difference "doesn't mean it's ...

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

but it means it's not Planet Nine," Brown told Science. "I don't think this planet would have any of the effects on the solar system that we think we're seeing." But, if the researchers are right ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A mini 'planet parade' is set to take place in the skies this week, as two planets meet the Moon in the morning sky - here's ...

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.