The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will ...

The Sun’s death is not an event the planets will quietly survive—it is the trigger for their orbital undoing.” ...

The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties are well understood but the planetary orbits have evolved and changed since ...

New modeling shows that chaotic mass loss from the Sun could shake up the orbits of giant planets even before it turns into a ...

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 ...

A new study published in The Astrophysical Journal Letters suggests that the outer solar system could become dynamically unstable about one billion years after the Sun becomes a white dwarf, ...

The solar system could be destroyed much sooner than we thought, scientists say - Outer planets could be thrown out into the universe after our Sun turns into a white dwarf ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star. Earth has a nearly circular orbit, but some planets outside our solar system, ...

An excerpt from the Planetarium Show "The Hot and Energetic Universe". This video shows the different orbits around the Sun, at the centre of our Solar System. We use cookies that are essential for ...

EVANSTON, Ill. — Except for the fact that we call it home, for centuries astronomers didn’t have any particular reason to believe that our solar system was anything special in the universe. But, ...