Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held 2,000 Earths. Jupiter is our system's oldest planet, forming from the dust ...

A star some 450 light years away was found to have dust and gas rings It led scientists to revisit a solar system formation theory from the 1700s The study opened new possibilities for astronomers to ...

The mystery of where water first came from has stumped scientists for decades. But after 'following the trail of H20 through the universe' to a star 1,300 light-years away they may finally have an ...

Astronomers have observed a solar system being formed for the first time, as hot gas condenses into solid minerals around the baby star (Picture: ESO) Astronomers have witnessed the creation of a ...

The Solar System was formed around 4.6 billion years ago from a giant cloud called a nebula close nebulaA cloud of gas and dust in outer space. If massive enough, these can collapse under gravity to ...

When most of us learn about the solar system, it seems like a pretty well-ordered place. Our sun formed first, about five billion years ago, and the planets appeared a little later. As a very general ...

Mercury's iron core is roughly the same size as Earth's moon, taking up three-quarters of the planet's diameter. And now researchers say this is likely due to the sun's magnetism and not collisions ...

Artwork: Six worlds around a star like our Sun are ideal to study how planets formed and whether they are home to life Researchers have located "the perfect solar system", forged without the violent ...