The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than the familiar one by which most systems grow ...

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Our Solar System contains eight planets (sorry, Pluto) orbiting around the Sun. But while all planets are important members of the club, if we’re being honest, we know there’s a crown jewel of our ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

Since the discovery of exoplanets, a planet that orbits stars outside the solar system, astronomers and scientists have been astounded by the strange characteristics of these extrasolar planets. To ...

Astronomers have found what appears to be one of the strangest known worlds in the universe. It orbits a type of rapidly spinning neutron star called a pulsar – this in itself is unusual, but it is ...