The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

"This planet could play a pivotal role in future missions... to search for biosignatures indicating potential life, " Dr.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...

Brown’s thinking is that a planet-sized object in the darkest reaches of the solar system could be tugging on the orbits of the ... right time with the right equipment,’ Dr Bloomer added.

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

While most models of solar system formation predict perfectly circular and coplanar orbits for the planets, reality presents a slightly different picture. Successful Simulations: Approximately 1% ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ... system for lunar use, and dust-repelling technology for equipment ...

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 ...

As well as planets and moons, the solar system also contains dwarf planets, which are too small to be considered planets. The best known of these is Pluto, an ice dwarf that orbits far from the ...