Scientists have been trying to find a hypothetical Planet 9 that may exist outside our known solar system based on the unusual orbits of certain dwarf planets. But those orbits might not require a ...

A team of researchers has found a simpler and less mysterious answer as to why bodies in the distant solar system have strange orbits. One of the biggest mysteries of out stellar neighbourhood has ...

If you need to remember your tiny place in the space-time continuum, it’s time to listen to SolarBeat, a flash animation that converts the orbital frequencies of our solar system into notes. Artist ...

A new study suggests that a close encounter with a massive interstellar object, possibly eight times the mass of Jupiter, may have significantly altered the orbits of the four outer planets in our ...

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...

The discovery of a tiny planet dubbed ‘The Goblin’ on the fringes of the solar system could indicate the presence of the fabled Planet Nine. With Halloween less than a month away, the world of ...

A cartoon series designed to teach pre-school children about the universe will be broadcast on RTÉ for the first time this morning. Geronimo Productions (formerly Monster Animation) says Planet Cosmo ...

Theorbits of Jupiter, Saturn, Uranus and Neptune may have been altered by the fly-by of an enormous object from deep space, billions of years ago. According to a pre-print research paper, which is yet ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a process that’s also applicable for other planets. Sam Walters is the ...

Tatooine-Like Planet Outside the Solar System May Orbit Two Failed Stars, Scientists Say NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists ...