BERLIN – Scientists say they have detected significant amounts of molecular oxygen coming out of a comet, an unexpected find that may have implications for the search for alien life and understanding ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and Earth. The authors dubbed it Planet Y.

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 4.6 billion years ago by the explosion of a star at the end of its life cycle, according to a groundbreaking study of meteorites. Research suggests a low-mass supernova was ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

Orbiting between Mars and Jupiter is an enormous ring of space rocks. The region, known as the asteroid belt, is home to an ...

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 ...

The JWST has studied the chemical composition of a moon-forming disk circling a giant planet 625 light-years away.