A study has suggested that this motion of our star through the galaxy potentially takes us through regions of space that could affect our planet's climate. According to the study, the Solar System may ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

Jupiter and Venus, the two brightest planets in our solar system, should be widely visible for much of August in Florida and ...

Astronomers have discovered a new world circling the outer edges of our solar system. So far, there are only four known ...

The knock-on changes from a super-Earth – dubbed Phaeton by the researchers – were intriguing. "If it's one or two Earth masses, which is still a pretty big planet, our inner Solar System ...

Lava planets don’t play by the rules of our solar system. These scorching-hot worlds, some no bigger than Earth, orbit so ...

Osiris, a gas giant about 150 light-years from Earth, orbits a yellow star similar to our sun. It is the only planet outside our solar system known to have an atmosphere.

"This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a mass about 5 to 10 times that of Earth and orbit about 20 to 30 times ...

The find is similar to another solar system called Trappist-1, which contains seven Earth-sized rocky planets locked in various orbital resonances. What makes the new system different is that the ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

NASA has announced the discovery of a new planet outside our solar system that it describes as the "closest twin" to Earth found to date. Kepler 452b, discovered using the planet-hunting Kepler ...